GOODWILL AND OTHER INTANGIBLE ASSETS AND LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

The following table summarizes changes in the carrying amount of goodwill allocated by operating segment for the years ended December 31, 2015 and December 31, 2014:



	(In Millions)
	December 31, 2015								December 31, 2014
	U.S. Iron Ore		Asia Pacific Iron Ore			Total			U.S. Iron Ore		Asia Pacific Iron Ore			Total
Beginning Balance	$	2.0	$	—		$	2.0		$	2.0	$	72.5		$	74.5
Impairment	—		—			—			—		(73.5		)	(73.5		)
Impact of foreign currency translation	—		—			—			—		1.0			1.0
Ending Balance	$	2.0	$	—		$	2.0		$	2.0	$	—		$	2.0
Accumulated goodwill impairment loss	$	—	$	(73.5	)	$	(73.5	)	$	—	$	(73.5	)	$	(73.5	)

Schedule Of Finite-Lived Intangible Assets By Major Class

Following is a summary of intangible assets and liabilities as of December 31, 2015 and December 31, 2014:



		(In Millions)
		December 31, 2015									December 31, 2014
	Classification	Gross Carrying Amount			Accumulated Amortization			Net Carrying Amount			Gross Carrying Amount			Accumulated Amortization			Net Carrying Amount
Definite-lived intangible assets:
Permits	Other non-current assets	$	78.4		$	(20.2	)	$	58.2		$	79.2		$	(16.5	)	$	62.7
Total intangible assets		$	78.4		$	(20.2	)	$	58.2		$	79.2		$	(16.5	)	$	62.7
Below-market sales contracts	Other current liabilities	$	(23.1	)	$	—		$	(23.1	)	$	(23.0	)	$	—		$	(23.0	)
Below-market sales contracts	Other liabilities	(205.8		)	205.8			—			(205.9		)	182.8			(23.1		)
Total below-market sales contracts		$	(228.9	)	$	205.8		$	(23.1	)	$	(228.9	)	$	182.8		$	(46.1	)

Estimated Amortization Expense Relating To Intangible Assets

The estimated amortization expense relating to intangible assets for each of the five succeeding years is as follows:



	(In Millions)
	Amount
Year Ending December 31
2016	3.8
2017	4.3
2018	4.1
2019	3.5
2020	2.5
Total	$	18.2