Supplemental Guarantor Information - Consolidating Statements of Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Supplemental Guarantor Information [Line Items]
Net sales	$ 4,907.7	$ 4,373.2	$ 13,495.5	$ 12,165.7
Cost of sales	4,091.2	3,659.6	11,233.1	10,152.6
Gross profit	816.5	713.6	2,262.4	2,013.1
Selling and administrative expenses	444.9	390.7	1,269.3	1,134.8
Advertising expense	51.0	48.1	143.3	133.9
Operating income	320.6	274.8	849.8	744.4
Interest expense, net	(42.3)	(36.6)	(121.1)	(111.5)
Other (expense) income, net	(17.4)	0.2	(15.0)	1.0
Income before income taxes	260.9	238.4	713.7	633.9
Income tax (expense) benefit	(59.2)	(54.7)	(162.5)	(150.2)
Income (Loss) before equity in earnings (loss) of subsidiaries	201.7	183.7	551.2	483.7
Equity in earnings of subsidiaries	0.0	0.0	0.0	0.0
Net income	201.7	183.7	551.2	483.7
Consolidating Adjustments
Supplemental Guarantor Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Cost of sales	0.0	0.0	0.0	0.0
Gross profit	0.0	0.0	0.0	0.0
Selling and administrative expenses	0.0	0.0	0.0	0.0
Advertising expense	0.0	0.0	0.0	0.0
Operating income	0.0	0.0	0.0	0.0
Interest expense, net	0.0	0.0	0.0	0.0
Other (expense) income, net	0.0	0.0	0.0	0.0
Income before income taxes	0.0	0.0	0.0	0.0
Income tax (expense) benefit	0.0	0.0	0.0	0.0
Income (Loss) before equity in earnings (loss) of subsidiaries	0.0	0.0	0.0	0.0
Equity in earnings of subsidiaries	(467.2)	(416.9)	(1,263.8)	(1,119.7)
Net income	(467.2)	(416.9)	(1,263.8)	(1,119.7)
Parent Guarantor | Reportable Legal Entities
Supplemental Guarantor Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Cost of sales	0.0	0.0	0.0	0.0
Gross profit	0.0	0.0	0.0	0.0
Selling and administrative expenses	0.0	0.0	0.0	0.0
Advertising expense	0.0	0.0	0.0	0.0
Operating income	0.0	0.0	0.0	0.0
Interest expense, net	0.0	0.0	0.0	0.0
Other (expense) income, net	0.0	0.0	0.0	0.0
Income before income taxes	0.0	0.0	0.0	0.0
Income tax (expense) benefit	(0.1)	(0.1)	(0.3)	(0.3)
Income (Loss) before equity in earnings (loss) of subsidiaries	(0.1)	(0.1)	(0.3)	(0.3)
Equity in earnings of subsidiaries	201.8	183.8	551.5	484.0
Net income	201.7	183.7	551.2	483.7
Subsidiary Issuer | Reportable Legal Entities
Supplemental Guarantor Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Cost of sales	0.0	0.0	0.0	0.0
Gross profit	0.0	0.0	0.0	0.0
Selling and administrative expenses	35.8	33.7	99.7	103.3
Advertising expense	0.0	0.0	0.0	0.0
Operating income	(35.8)	(33.7)	(99.7)	(103.3)
Interest expense, net	(42.0)	(36.1)	(120.2)	(109.9)
Other (expense) income, net	(16.1)	0.0	(16.1)	0.0
Income before income taxes	(93.9)	(69.8)	(236.0)	(213.2)
Income tax (expense) benefit	30.3	20.5	75.2	61.5
Income (Loss) before equity in earnings (loss) of subsidiaries	(63.6)	(49.3)	(160.8)	(151.7)
Equity in earnings of subsidiaries	265.4	233.1	712.3	635.7
Net income	201.8	183.8	551.5	484.0
Guarantor Subsidiaries | Reportable Legal Entities
Supplemental Guarantor Information [Line Items]
Net sales	4,400.6	3,921.6	11,924.5	10,743.7
Cost of sales	3,671.5	3,286.6	9,926.3	8,966.6
Gross profit	729.1	635.0	1,998.2	1,777.1
Selling and administrative expenses	347.4	299.8	980.6	861.8
Advertising expense	47.2	45.9	134.7	128.3
Operating income	334.5	289.3	882.9	787.0
Interest expense, net	0.1	0.9	0.3	2.8
Other (expense) income, net	0.0	0.1	2.1	0.6
Income before income taxes	334.6	290.3	885.3	790.4
Income tax (expense) benefit	(87.9)	(75.3)	(229.2)	(202.6)
Income (Loss) before equity in earnings (loss) of subsidiaries	246.7	215.0	656.1	587.8
Equity in earnings of subsidiaries	0.0	0.0	0.0	0.0
Net income	246.7	215.0	656.1	587.8
Non-Guarantor Subsidiaries | Reportable Legal Entities
Supplemental Guarantor Information [Line Items]
Net sales	507.1	451.6	1,571.0	1,422.0
Cost of sales	419.7	373.0	1,306.8	1,186.0
Gross profit	87.4	78.6	264.2	236.0
Selling and administrative expenses	61.7	57.2	189.0	169.7
Advertising expense	3.8	2.2	8.6	5.6
Operating income	21.9	19.2	66.6	60.7
Interest expense, net	(0.4)	(1.4)	(1.2)	(4.4)
Other (expense) income, net	(1.3)	0.1	(1.0)	0.4
Income before income taxes	20.2	17.9	64.4	56.7
Income tax (expense) benefit	(1.5)	0.2	(8.2)	(8.8)
Income (Loss) before equity in earnings (loss) of subsidiaries	18.7	18.1	56.2	47.9
Equity in earnings of subsidiaries	0.0	0.0	0.0	0.0
Net income	18.7	18.1	56.2	47.9
Affiliated Entity | Reportable Legal Entities
Supplemental Guarantor Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Cost of sales	0.0	0.0	0.0	0.0
Gross profit	0.0	0.0	0.0	0.0
Selling and administrative expenses	0.0	0.0	0.0	0.0
Advertising expense	0.0	0.0	0.0	0.0
Operating income	0.0	0.0	0.0	0.0
Interest expense, net	0.0	0.0	0.0	0.0
Other (expense) income, net	0.0	0.0	0.0	0.0
Income before income taxes	0.0	0.0	0.0	0.0
Income tax (expense) benefit	0.0	0.0	0.0	0.0
Income (Loss) before equity in earnings (loss) of subsidiaries	0.0	0.0	0.0	0.0
Equity in earnings of subsidiaries	0.0	0.0	0.0	0.0
Net income	$ 0.0	$ 0.0	$ 0.0	$ 0.0