Inventories (Tables)

12 Months Ended

Jan. 01, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories (in millions)	Balance at year-end
	2016			2015
Raw materials and supplies	$	146.0		$	141.6
Work in process	147.8			149.4
Finished goods	43.0			45.8
	336.8			336.8
Progress payments	(9.1		)	(12.3		)
Reduction to LIFO cost basis	(13.5		)	(15.3		)
Total inventories, net	$	314.2		$	309.2