Cleveland-Cliffs Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Accumulated Other Comprehensive Income (Loss) and Related Tax Effects (Details)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Accumulated Other Comprehensive Income (Loss) and Related Tax Effects (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss), Before Taxes	$ (388.1)				$ (213.3)				$ (244.7)
Accumulated Other Comprehensive Income (Loss), Tax	142.3				100.4				189.1
Accumulated other comprehensive loss	(245.8)	(101.4)	(20.2)	(55.1)	(112.9)	(178.4)	(239.6)	(51.4)	(55.6)	(92.6)
Postretirement Benefit Liability [Member]
Accumulated Other Comprehensive Income (Loss), Before Taxes	(425.3)				(299.3)				(576.7)
Accumulated Other Comprehensive Income (Loss), Tax	134.2				94.4				194.0
Accumulated other comprehensive loss	(291.1)				(204.9)				(382.7)
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Before Taxes	64.4				106.7				316.3
Accumulated Other Comprehensive Income (Loss), Tax	0				0				0
Accumulated other comprehensive loss	64.4				106.7				316.3
Unrealized Gain Loss On Derivatives [Member]
Accumulated Other Comprehensive Income (Loss), Before Taxes	(25.9)				(30.0)				12.4
Accumulated Other Comprehensive Income (Loss), Tax	7.8				9.1				(3.7)
Accumulated other comprehensive loss	(18.1)				(20.9)				8.7
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss), Before Taxes	(1.3)				9.3				3.3
Accumulated Other Comprehensive Income (Loss), Tax	0.3				(3.1)				(1.2)
Accumulated other comprehensive loss	$ (1.0)				$ 6.2				$ 2.1

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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