Inventoried Costs (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Schedule of Inventoried Costs

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

	September 30, 2018		December 31, 2017
Raw materials	$	33.7	$	35.9
Work in process	13.1		11.4
Finished goods	1.8		2.3
Subtotal inventoried costs	48.6		49.6
Less: Customer advances and progress payments	—		(0.6		)
Total inventoried costs	$	48.6	$	49.0