Inventories

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

Inventories

8. Inventories

DECEMBER 31	2018			2017			2016
Raw material	$	370.9		$	333.2		$	286.4
Work in progress		277.4			263.8			233.1
Finished products		194.7			187.9			166.2
Inventories	$	843.0		$	784.9		$	685.7
Inventory reserve at beginning of year	$	(80.6	)	$	(76.7	)	$	(68.2	)
Reversal of reserve		1.4			4.8			2.9
Addition to reserve		(13.9	)		(7.3	)		(16.2	)
Write-off against reserve		5.3			5.2			3.0
Translation difference		2.7			(6.6	)		1.8
Inventory reserve at end of year	$	(85.1	)	$	(80.6	)	$	(76.7	)
Total inventories, net of reserve	$	757.9		$	704.3		$	609.0