Quarterly Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 1,473,705	$ 1,481,557	$ 860,063	$ 689,246	$ 1,524,281	$ 1,437,451	$ 844,706	$ 708,372	$ 4,504,571	$ 4,514,810	$ 4,881,493
Cost of sales	760,527	795,130	518,679	449,456	814,687	824,395	587,546	489,499	2,523,792	2,716,127	3,056,922
Gross Profit	713,178	686,427	341,384	239,790	709,594	613,056	257,160	218,873	1,980,779	1,798,683	1,824,571
Advertising and promotion expenses	227,184	170,379	84,489	69,465	205,750	165,308	82,393	70,837	551,517	524,288	642,286
Other selling and administrative expenses	418,414	365,961	308,311	297,336	398,253	325,874	360,000	424,617	1,390,022	1,508,744	1,517,983
Operating Income (Loss)	67,580	150,087	(51,416)	(127,011)	105,591	121,874	(185,233)	(276,581)	39,240	(234,349)	(335,698)
(Loss) income before income taxes	9,182	101,955	(95,824)	(173,601)	54,274	72,592	(230,064)	(313,905)	(158,288)	(417,103)	(501,245)
Net (loss) income	$ 175	$ 70,596	$ (107,987)	$ (176,296)	$ 9,639	$ 6,278	$ (237,963)	$ (311,253)	$ (213,512)	$ (533,299)	$ (1,054,579)
Net (loss) income per common share - basic (USD per share)	$ 0.00	$ 0.20	$ (0.31)	$ (0.51)	$ 0.03	$ 0.02	$ (0.69)	$ (0.90)	$ (0.62)	$ (1.55)	$ (3.07)
Weighted average number of common shares (in shares)	346,727	346,698	345,941	345,852	345,720	345,285	344,584	344,434	346,127	345,012	343,564
Net (loss) income per common share - Diluted (USD per share)	$ 0.00	$ 0.20	$ (0.31)	$ (0.51)	$ 0.03	$ 0.02	$ (0.69)	$ (0.90)	$ (0.62)	$ (1.55)	$ (3.07)
Weighted average number of common and potential common shares (in shares)	348,268	348,487	345,941	345,852	345,846	345,672	344,584	344,434	346,127	345,012	343,564