Accumulated Other Comprehensive Income (Notes)

3 Months Ended

Mar. 31, 2013

Accumulated Other Comprehensive Income [Abstract]

Comprehensive Income (Loss) Note [Text Block]

Accumulated Other Comprehensive Income

The following table sets forth the after-tax components of accumulated other comprehensive income and changes thereto recorded during the three months ended March 31, 2013:

	Foreign Currency Translation Adjustment		Net Actuarial Loss Associated with Postretirement Plans and Workers’ Compensation Obligations			Prior Service Cost Associated with Postretirement Plans			Cash Flow Hedges			Available-For-Sale Securities			Total Accumulated Other Comprehensive Income (Loss)
	(Dollars in millions)
December 31, 2012	$	22.2	$	(411.7	)	$	12.7		$	387.5		$	0.3		$	11.0
Net change in fair value	—		—			—			68.7			(6.2		)	62.5
Reclassification from other comprehensive income to earnings	—		14.3			(0.1		)	(77.1		)	(0.1		)	(63.0		)
Current period change	1.1		—			—			—			—			1.1
March 31, 2013	$	23.3	$	(397.4	)	$	12.6		$	379.1		$	(6.0	)	$	11.6

The following table provides additional information regarding items reclassified out of "Accumulated other comprehensive income" into earnings during the three months ended March 31, 2013:

Details about accumulated other comprehensive income (loss) components	Amount reclassifed from accumulated other comprehensive income (1)			Affected line item in the condensed consolidated statement of operations
	(Dollars in millions)
Net actuarial loss associated with postretirement plans and workers compensation obligations:
Postretirement health care and life insurance benefits	$	(6.0	)	Operating costs and expenses
Defined benefit pension plans	(13.6		)	Operating costs and expenses
Defined benefit pension plans	(2.8		)	Selling and administrative expenses
Insignificant items	(0.3		)
	(22.7		)	Total before income taxes
	8.4			Income tax provision
	$	(14.3	)	Total after income taxes
Prior service cost associated with postretirement plans:
Postretirement health care and life insurance benefits	$	0.4		Operating costs and expenses
Defined benefit pension plans	(0.2		)	Operating costs and expenses
	0.2			Total before income taxes
	(0.1		)	Income tax provision
	$	0.1		Total after income taxes
Cash flow hedges:
Foreign currency cash flow hedge contracts	$	85.1		Operating costs and expenses
Fuel and explosives commodity swaps	6.9			Operating costs and expenses
Coal trading commodity futures, swaps and options	25.3			Other revenues
Insignificant items	(0.1		)
	117.2			Total before income taxes
	(40.1		)	Income tax provision
	$	77.1		Total after income taxes
Available-for-sale securities:
Debt securities	$	0.1		Interest income (2)

⁽¹⁾   Recognized as gains (losses) in the unaudited condensed consolidated statements of operations.

⁽²⁾  The tax effect associated with the realized gain on sale of debt securities during the three months ended March 31, 2013 was less than $0.1 million.