PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Fair Values of Pension Plan Assets) (Details) (USD $) In Millions, unless otherwise specified
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12 Months Ended |
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Reserve For Investment Commitments |
$ 8.7
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Fair value of plan assets |
188.6
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200.5
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192.2
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Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
915.3
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838.7
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744.1
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Equity Securities [Member] | U S Large Cap [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
261.5
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231.1
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Equity Securities [Member] | U S Small Mid Cap [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
60.8
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39.2
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Equity Securities [Member] | International [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
149.3
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114.5
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Fixed Income Investments [Member] | Pension Benefits [Member]
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|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
244.9
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247.5
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Hedge Funds [Member]
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|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
57.6
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85.6
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100.7
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Hedge Funds [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
57.6
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85.6
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Private Equity Funds [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
29.1
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29.3
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30.1
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Private Equity Funds [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
29.1
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29.3
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Structured Finance [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
61.0
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56.2
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44.9
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Redemption Request Notice Period |
90 days
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Structured Finance [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
61.0
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56.2
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Real Estate [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
40.9
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29.4
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16.5
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Redemption Request Notice Period |
45 days
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Real Estate [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
40.9
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29.4
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Cash [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
10.2
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5.9
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Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
696.6
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599.8
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Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Equity Securities [Member] | U S Large Cap [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
261.5
|
231.1
|
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Equity Securities [Member] | U S Small Mid Cap [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
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Fair value of plan assets |
60.8
|
39.2
|
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Equity Securities [Member] | International [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
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Fair value of plan assets |
149.3
|
114.5
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Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Fixed Income Investments [Member] | Pension Benefits [Member]
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|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
214.8
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209.1
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Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Hedge Funds [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
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0
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Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Private Equity Funds [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
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0
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Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Structured Finance [Member] | Pension Benefits [Member]
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|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
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0
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Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Real Estate [Member] | Pension Benefits [Member]
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|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
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0
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Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Cash [Member] | Pension Benefits [Member]
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|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
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Fair value of plan assets |
10.2
|
5.9
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|
Fair Value, Inputs, Level 2 [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
30.1
|
38.4
|
|
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | U S Large Cap [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
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0
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Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | U S Small Mid Cap [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
|
0
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Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | International [Member] | Pension Benefits [Member]
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
|
0
|
|
Fair Value, Inputs, Level 2 [Member] | Fixed Income Investments [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
Fair value of plan assets |
30.1
|
38.4
|
|
Fair Value, Inputs, Level 2 [Member] | Hedge Funds [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
|
0
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|
Fair Value, Inputs, Level 2 [Member] | Private Equity Funds [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
|
0
|
|
Fair Value, Inputs, Level 2 [Member] | Structured Finance [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
|
0
|
|
Fair Value, Inputs, Level 2 [Member] | Real Estate [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
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Fair value of plan assets |
0
|
0
|
|
Fair Value, Inputs, Level 2 [Member] | Cash [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
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Fair value of plan assets |
0
|
0
|
|
Significant Unobservable Inputs (Level 3) [Member] | Pension Benefits [Member]
|
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
Fair value of plan assets |
188.6
|
200.5
|
|
Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member] | U S Large Cap [Member] | Pension Benefits [Member]
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|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
|
0
|
|
Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member] | U S Small Mid Cap [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
|
0
|
|
Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member] | International [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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Fair value of plan assets |
0
|
0
|
|
Significant Unobservable Inputs (Level 3) [Member] | Fixed Income Investments [Member] | Pension Benefits [Member]
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
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Fair value of plan assets |
0
|
0
|
|
Significant Unobservable Inputs (Level 3) [Member] | Hedge Funds [Member] | Pension Benefits [Member]
|
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
Fair value of plan assets |
57.6
|
85.6
|
|
Significant Unobservable Inputs (Level 3) [Member] | Private Equity Funds [Member] | Pension Benefits [Member]
|
|
|
|
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
Fair value of plan assets |
29.1
|
29.3
|
|
Significant Unobservable Inputs (Level 3) [Member] | Structured Finance [Member] | Pension Benefits [Member]
|
|
|
|
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
Fair value of plan assets |
61.0
|
56.2
|
|
Significant Unobservable Inputs (Level 3) [Member] | Real Estate [Member] | Pension Benefits [Member]
|
|
|
|
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
|
|
Fair value of plan assets |
40.9
|
29.4
|
|
Significant Unobservable Inputs (Level 3) [Member] | Cash [Member] | Pension Benefits [Member]
|
|
|
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
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|
Fair value of plan assets |
$ 0
|
$ 0
|
|