Inventories (Tables)

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Components of Inventories

	As of
	March 31, 2017			December 31, 2016
Raw materials	$	389.8		$	378.2
Work in progress		263.1			256.7
Finished products		211.7			240.0
Inventories	$	864.6		$	874.9
Inventory valuation reserve		(106.0	)		(101.5	)
Total inventories, net of reserve	$	758.6		$	773.4