Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Total net sales	$ 1,166.7	$ 948.3	$ 2,157.9	$ 1,800.6
Cost of goods sold	818.8	652.8	1,527.1	1,242.5
Gross profit	347.9	295.5	630.8	558.1
Selling & administrative expenses	191.0	161.1	374.3	315.9
Operating income	156.9	134.4	256.5	242.2
Interest expense, net	(18.8)	(11.6)	(36.1)	(22.7)
Other (expense) income, net	(4.1)	(6.1)	(10.6)	(11.9)
Total other expense	(22.9)	(17.7)	(46.7)	(34.6)
Income before income taxes	134.0	116.7	209.8	207.6
Provision for income taxes	31.6	35.9	47.6	62.9
Net income	102.4	80.8	162.2	144.7
Less: Net income attributable to noncontrolling interest	2.1	1.7	3.6	2.8
Net income	$ 100.3	$ 79.1	$ 158.6	$ 141.9
Earnings per share
Basic (USD per share)	$ 1.83	$ 1.44	$ 2.89	$ 2.57
Diluted (USD per share)	1.82	1.43	2.87	2.56
Cash dividends per common share (USD per share)	$ 0.77	$ 0.7	$ 1.54	$ 1.40