Inventories (Tables)

3 Months Ended

Apr. 02, 2017

Inventory Disclosure [Abstract]

Inventories

	Balance at
Inventories (in millions):	April 2, 2017			January 1, 2017
Raw materials and supplies	$	179.5		$	146.0
Work in process	196.8			147.8
Finished goods	58.9			43.0
	435.2			336.8
Progress payments	(6.3		)	(9.1		)
Reduction to LIFO cost basis	(13.3		)	(13.5		)
Total inventories, net	$	415.6		$	314.2