Inventories

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Inventories

4. Inventories

The components of inventories were as follows:

	June 30, 2015		December 31, 2014
	(Dollars in millions)
Coal	$	69.4	$	100.9
Coke	4.2		6.9
Materials, supplies and other	34.0		34.4
Total inventories	$	107.6	$	142.2