Other Charges, Net - Restructuring Reserves (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Changes in the restructuring reserves
Balance at the beginning of the period	$ 23.1	$ 16.1	$ 11.5
Restructuring charges	20.8	29.3	36.1
Cash payments	(22.1)	(18.0)	(22.9)
Non-cash adjustments	(5.4)	(2.9)	(7.5)
Foreign currency impact	(0.2)	(1.4)	(1.1)
Balance at the end of the period	16.2	23.1	16.1
BSI
Changes in the restructuring reserves
Restructuring charges	20.8	28.4	36.1
BEST
Changes in the restructuring reserves
Restructuring charges		0.9
Severance
Changes in the restructuring reserves
Balance at the beginning of the period	10.3	7.1	8.4
Restructuring charges	10.6	15.9	15.5
Cash payments	(15.6)	(11.9)	(14.6)
Non-cash adjustments	(0.4)	(0.2)	(1.4)
Foreign currency impact		(0.6)	(0.8)
Balance at the end of the period	4.9	10.3	7.1
Exit Costs
Changes in the restructuring reserves
Balance at the beginning of the period	2.4	1.3	1.1
Restructuring charges	7.2	6.4	8.8
Cash payments	(5.6)	(5.1)	(8.2)
Non-cash adjustments	(0.3)	(0.2)	(0.3)
Foreign currency impact			(0.1)
Balance at the end of the period	3.7	2.4	1.3
Provisions for Excess Inventory
Changes in the restructuring reserves
Balance at the beginning of the period	10.4	7.7	2.0
Restructuring charges	3.0	7.0	11.8
Cash payments	(0.9)	(1.0)	(0.1)
Non-cash adjustments	(4.7)	(2.5)	(5.8)
Foreign currency impact	(0.2)	(0.8)	(0.2)
Balance at the end of the period	$ 7.6	$ 10.4	$ 7.7