Quarterly Results (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Quarterly Financial Data [Abstract]
Revenues	$ 839.6	$ 855.8	$ 851.0	$ 799.1	$ 714.2	$ 695.9	$ 702.5	$ 673.4	$ 3,345.5	$ 2,786.0	$ 2,748.0
Cost of sales	544.6	544.8	545.6	521.2	455.6	441.5	444.3	429.5	2,156.2	1,770.9	1,758.3
Gross profit	295.0	311.0	305.4	277.9	258.6	254.4	258.2	243.9	1,189.3	1,015.1
Operating profit from continuing operations	110.1	123.9	113.0	94.3	87.2	102.1	105.8	93.3	441.3	388.4	186.7
Net income attributable to common shareholders	$ 89.2	$ 97.0	$ 80.7	$ 68.7					335.6	171.8	122.8
Income from continuing operations attributable to common shareholders					$ (28.7)	$ 68.2	$ 69.2	$ 63.1		171.8
Earnings per diluted share
Restructuring charges									7.2	13.0	0.0
Business Combination, Integration Related Costs									19.8	7.8	0.0
Asbestos provision									$ 0.0	$ 0.0	$ 192.4
Earnings Per Share, Basic	$ 1.51	$ 1.62	$ 1.35	$ 1.15	$ (0.48)	$ 1.15	$ 1.16	$ 1.06	$ 5.63	$ 2.89	$ 2.10
Earnings Per Share, Diluted	$ 1.46	$ 1.59	$ 1.32	$ 1.13	$ (0.48)	$ 1.13	$ 1.14	$ 1.05	$ 5.50	$ 2.84	$ 2.07