Inventoried Costs (Tables)

9 Months Ended

Sep. 25, 2016

Inventory Disclosure [Abstract]

Schedule of Inventoried Costs

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

	September 25, 2016			December 27, 2015
Raw materials	$	31.4		$	32.9
Work in process	27.2			19.2
Finished goods	1.4			2.6
Supplies and other	1.8			1.6
Subtotal inventoried costs	61.8			56.3
Less: Customer advances and progress payments	(3.3		)	(0.7		)
Total inventoried costs	$	58.5		$	55.6