Inventories

6 Months Ended

Jun. 30, 2017

Inventory, Net [Abstract]

Inventories

8. Inventories

Inventories were comprised of the following at the end of each period: 

	June 30, 2017		December 30, 2016
Raw materials and supplies	$	72.5	$	72.6
Work in process	170.6		178.4
Finished goods	96.3		99.7
	$	339.4	$	350.7