|
CASH FLOW INFORMATION (Reconciliation Of Capital Additions To Cash Paid For Capital Expenditures) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Supplemental Cash Flow Information [Abstract] | ||
| Capital Additions | $ 26.1clf_PropertyPlantandEquipmentAdditionsIncludingDiscontinuedOperations | $ 79.2clf_PropertyPlantandEquipmentAdditionsIncludingDiscontinuedOperations |
| Cash Paid for Capital Expenditures | 15.9us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | 103.3us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
| Non-cash accruals | 10.2us-gaap_CapitalExpendituresIncurredButNotYetPaid | (34.0)us-gaap_CapitalExpendituresIncurredButNotYetPaid |
| Capital leases | 0us-gaap_CapitalLeaseObligationsIncurred | 9.9us-gaap_CapitalLeaseObligationsIncurred |
| Total | $ 10.2clf_CapitalExpendituresIncurredButNotYetPaidAndCapitalLeaseObligationsIncurred | $ (24.1)clf_CapitalExpendituresIncurredButNotYetPaidAndCapitalLeaseObligationsIncurred |
| X | ||||||||||
|
- Definition
Future cash outflow to pay for purchases of fixed assets that have occurred and the increase during the period in capital lease obligations due to entering into new capital leases. No definition available.
|
| X | ||||||||||
|
- Definition
Property, Plant and Equipment, Additions, Including Discontinued Operations No definition available.
|
| X | ||||||||||
|
- Definition
Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The increase during the period in capital lease obligations due to entering into new capital leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|