Inventoried Costs (Tables)

6 Months Ended

Jun. 25, 2017

Inventory Disclosure [Abstract]

Schedule of Inventoried Costs

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

	June 25, 2017			December 25, 2016
Raw materials	$	31.4		$	31.9
Work in process	29.3			22.1
Finished goods	2.0			1.4
Supplies and other	2.0			1.8
Subtotal inventoried costs	64.7			57.2
Less: Customer advances and progress payments	(3.2		)	(1.8		)
Total inventoried costs	$	61.5		$	55.4