Inventories (Tables)

12 Months Ended

Dec. 31, 2011

Inventory Disclosure (Tables) [Abstract]

Inventories

Note ##INV. Inventories
Inventories at December 31, 2011 and 2010 were as follows (in millions):
	2011		2010
Raw materials and supplies	$	205.7	$	169.3
Work-in-process		1,150.0		892.8
Finished goods		199.9		126.5
Total inventories at current cost		1,555.6		1,188.6
Less allowances to reduce current cost values to LIFO basis		(153.7)		(163.0)
Progress payments		(17.6)		(1.1)
Total inventories, net	$	1,384.3	$	1,024.5