Supplemental Guarantor Information - Consolidating Statements of Operations (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Supplemental Guarantor Information [Line Items]
Net sales	$ 3,838.6	$ 4,033.9	$ 3,994.4	$ 3,324.7	$ 3,492.4	$ 3,708.2	$ 3,664.6	$ 3,116.7	$ 15,191.5	$ 13,981.9	$ 12,988.7
Cost of sales									12,741.6	11,654.7	10,872.9
Gross profit	614.4	642.0	641.1	552.6	577.9	614.3	610.5	524.5	2,449.9	2,327.2	2,115.8
Selling and administrative expenses									1,410.1	1,345.1	1,226.0
Advertising expense									173.7	162.9	147.8
Income from operations	221.6	243.7	231.1	169.8	197.2	237.5	223.5	161.0	866.1	819.2	742.0
Interest (expense) income, net									(150.5)	(146.5)	(159.5)
Net loss on extinguishments of long-term debt									(57.4)	(2.1)	(24.3)
Management fee											0.0
Gain on remeasurement of equity investment									0.0	0.0	98.1
Other income (expense), net									2.1	1.8	(9.3)
Income before income taxes									660.3	672.4	647.0
Income tax expense									(137.3)	(248.0)	(243.9)
Income (loss) before equity in earnings of subsidiaries									523.0	424.4	403.1
Equity in earnings of subsidiaries									0.0	0.0	0.0
Net income	$ 195.2	$ 129.2	$ 141.0	$ 57.6	$ 103.2	$ 125.9	$ 117.5	$ 77.8	523.0	424.4	403.1
Reportable Legal Entities | Parent Guarantor
Supplemental Guarantor Information [Line Items]
Net sales									0.0	0.0	0.0
Cost of sales									0.0	0.0	0.0
Gross profit									0.0	0.0	0.0
Selling and administrative expenses									0.0	0.0	0.0
Advertising expense									0.0	0.0	0.0
Income from operations									0.0	0.0	0.0
Interest (expense) income, net									0.0	0.0	0.0
Net loss on extinguishments of long-term debt									0.0	0.0	0.0
Management fee											0.0
Gain on remeasurement of equity investment											0.0
Other income (expense), net									0.0	0.0	0.0
Income before income taxes									0.0	0.0	0.0
Income tax expense									(0.9)	0.0	0.0
Income (loss) before equity in earnings of subsidiaries									(0.9)	0.0	0.0
Equity in earnings of subsidiaries									523.9	424.4	403.1
Net income									523.0	424.4	403.1
Reportable Legal Entities | Subsidiary Issuer
Supplemental Guarantor Information [Line Items]
Net sales									0.0	0.0	0.0
Cost of sales									0.0	0.0	0.0
Gross profit									0.0	0.0	0.0
Selling and administrative expenses									127.2	114.8	114.5
Advertising expense									0.0	0.0	0.0
Income from operations									(127.2)	(114.8)	(114.5)
Interest (expense) income, net									(148.3)	(145.8)	(158.3)
Net loss on extinguishments of long-term debt									(57.4)	(2.1)	(24.3)
Management fee											4.2
Gain on remeasurement of equity investment											0.0
Other income (expense), net									(0.1)	0.2	(11.1)
Income before income taxes									(333.0)	(262.5)	(304.0)
Income tax expense									149.9	79.9	103.3
Income (loss) before equity in earnings of subsidiaries									(183.1)	(182.6)	(200.7)
Equity in earnings of subsidiaries									707.0	607.0	603.8
Net income									523.9	424.4	403.1
Reportable Legal Entities | Guarantor Subsidiaries
Supplemental Guarantor Information [Line Items]
Net sales									13,631.0	12,619.3	12,151.2
Cost of sales									11,436.1	10,514.4	10,158.6
Gross profit									2,194.9	2,104.9	1,992.6
Selling and administrative expenses									1,093.1	1,057.4	1,020.9
Advertising expense									166.4	157.2	143.2
Income from operations									935.4	890.3	828.5
Interest (expense) income, net									4.1	6.7	2.3
Net loss on extinguishments of long-term debt									0.0	0.0	0.0
Management fee											0.0
Gain on remeasurement of equity investment											0.0
Other income (expense), net									0.7	1.0	1.6
Income before income taxes									940.2	898.0	832.4
Income tax expense									(269.7)	(319.9)	(307.2)
Income (loss) before equity in earnings of subsidiaries									670.5	578.1	525.2
Equity in earnings of subsidiaries									0.0	0.0	0.0
Net income									670.5	578.1	525.2
Reportable Legal Entities | Non-Guarantor Subsidiaries
Supplemental Guarantor Information [Line Items]
Net sales									1,560.5	1,362.6	837.5
Cost of sales									1,305.5	1,140.3	714.3
Gross profit									255.0	222.3	123.2
Selling and administrative expenses									189.8	172.9	90.6
Advertising expense									7.3	5.7	4.6
Income from operations									57.9	43.7	28.0
Interest (expense) income, net									(6.3)	(7.4)	(3.5)
Net loss on extinguishments of long-term debt									0.0	0.0	0.0
Management fee											(4.2)
Gain on remeasurement of equity investment											98.1
Other income (expense), net									1.5	0.6	0.2
Income before income taxes									53.1	36.9	118.6
Income tax expense									(16.6)	(8.0)	(40.0)
Income (loss) before equity in earnings of subsidiaries									36.5	28.9	78.6
Equity in earnings of subsidiaries									0.0	0.0	0.0
Net income									36.5	28.9	78.6
Reportable Legal Entities | Co-Issuer
Supplemental Guarantor Information [Line Items]
Net sales									0.0	0.0	0.0
Cost of sales									0.0	0.0	0.0
Gross profit									0.0	0.0	0.0
Selling and administrative expenses									0.0	0.0	0.0
Advertising expense									0.0	0.0	0.0
Income from operations									0.0	0.0	0.0
Interest (expense) income, net									0.0	0.0	0.0
Net loss on extinguishments of long-term debt									0.0	0.0	0.0
Management fee											0.0
Gain on remeasurement of equity investment											0.0
Other income (expense), net									0.0	0.0	0.0
Income before income taxes									0.0	0.0	0.0
Income tax expense									0.0	0.0	0.0
Income (loss) before equity in earnings of subsidiaries									0.0	0.0	0.0
Equity in earnings of subsidiaries									0.0	0.0	0.0
Net income									0.0	0.0	0.0
Consolidating Adjustments
Supplemental Guarantor Information [Line Items]
Net sales									0.0	0.0	0.0
Cost of sales									0.0	0.0	0.0
Gross profit									0.0	0.0	0.0
Selling and administrative expenses									0.0	0.0	0.0
Advertising expense									0.0	0.0	0.0
Income from operations									0.0	0.0	0.0
Interest (expense) income, net									0.0	0.0	0.0
Net loss on extinguishments of long-term debt									0.0	0.0	0.0
Management fee											0.0
Gain on remeasurement of equity investment											0.0
Other income (expense), net									0.0	0.0	0.0
Income before income taxes									0.0	0.0	0.0
Income tax expense									0.0	0.0	0.0
Income (loss) before equity in earnings of subsidiaries									0.0	0.0	0.0
Equity in earnings of subsidiaries									(1,230.9)	(1,031.4)	(1,006.9)
Net income									$ (1,230.9)	$ (1,031.4)	$ (1,006.9)