Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following:

	March 31, 2013		December 31, 2012
	(Dollars in millions)
Materials and supplies	$	156.8	$	157.6
Raw coal	125.3		164.3
Saleable coal	283.9		226.5
Total	$	566.0	$	548.4