Inventoried Costs (Tables)

6 Months Ended

Jun. 24, 2012

Inventory Disclosure [Abstract]

Schedule of inventoried costs

Inventoried costs consisted of the following components (in millions):

	December 25, 2011			June 24, 2012
Raw materials	$	43.3		$	45.8
Work in process	25.7			30.8
Finished goods	6.9			9.2
Supplies and other	4.0			0.9
Subtotal inventoried costs	79.9			86.7
Less customer advances and progress payments	(3.3		)	(0.3		)
Total inventoried costs	$	76.6		$	86.4