Restatement of Quarterly Financial Information (Unaudited) Restatement of the Consolidated Statements of Operations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								9 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	Sep. 30, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net sales	$ 1,524,281	$ 1,437,451	$ 844,706	$ 708,372	$ 1,606,915	$ 1,560,983	$ 976,177	$ 737,418	$ 3,274,578	$ 4,514,810	$ 4,881,493	$ 5,453,150
Cost of sales	814,687	824,395	587,546	489,499	1,115,736	911,234	574,712	455,240	1,941,186	2,716,127	3,056,922	2,906,459
Gross Profit	709,594	613,056	257,160	218,873	491,179	649,749	401,465	282,178	1,333,392	1,798,683	1,824,571	2,546,691
Advertising and promotion expenses	205,750	165,308	82,393	70,837	293,534	179,691	95,499	73,562	348,752	524,288	642,286	634,947
Other selling and administrative expenses	398,253	325,874	360,000	424,617	452,644	381,214	353,296	330,829	1,065,339	1,508,744	1,517,983	1,391,769
Operating (loss) income	105,591	121,874	(185,233)	(276,581)	(254,999)	88,844	(47,330)	(122,213)	(80,699)	(234,349)	(335,698)	519,975
Interest expense						24,646			68,557	181,886	105,214	95,118
Interest (income)						(1,575)			(6,337)	(6,463)	(7,777)	(9,144)
Other non-operating expense, net						1,910			7,532	7,331	68,110	31,959
(Loss) income before income taxes	54,274	72,592	(230,064)	(313,905)	(350,794)	63,863	(72,043)	(142,271)	(150,451)	(417,103)	(501,245)	402,042
Provision for income taxes						777,308			728,835	116,196	553,334	89,134
Net Loss	$ 9,639	$ 6,278	$ (237,963)	$ (311,253)	$ (175,293)	$ (713,445)	$ (54,885)	$ (110,956)	$ (879,286)	$ (533,299)	$ (1,054,579)	$ 312,908
Net (Loss) Income Per Common Share - Basic (USD per share)	$ 0.03	$ 0.02	$ (0.69)	$ (0.90)	$ (0.51)	$ (2.07)	$ (0.16)	$ (0.32)	$ (2.56)	$ (1.55)	$ (3.07)	$ 0.91
Weighted average number of common shares (in shares)	345,720	345,285	344,584	344,434	344,294	343,870	343,116	342,914	343,304	345,012	343,564	341,480
Net (Loss) Income Per Common Share - Diluted (USD per share)	$ 0.03	$ 0.02	$ (0.69)	$ (0.90)	$ (0.51)	$ (2.07)	$ (0.16)	$ (0.32)	$ (2.56)	$ (1.55)	$ (3.07)	$ 0.91
Weighted average number of common and potential common shares (in shares)	345,846	345,672	344,584	344,434	344,294	343,870	343,116	342,914	343,304	345,012	343,564	344,233
Dividends declared per common share (USD per share)	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.15	$ 0.38	$ 0.38	$ 0.91
As Previously Reported
Net sales	$ 1,524,281		$ 840,748		$ 1,610,873	$ 1,560,983	$ 974,477	$ 735,618	$ 3,271,078	$ 4,510,852	$ 4,881,951	$ 5,456,650
Cost of sales	814,687		587,546		1,115,736	913,834	574,712	456,840	1,945,386	2,716,127	3,061,122	2,902,259
Gross Profit	709,594		253,202		495,137	647,149	399,765	278,778	1,325,692	1,794,725	1,820,829	2,554,391
Advertising and promotion expenses	207,898		82,393		293,534	179,691	95,499	73,562	348,752	526,436	642,286	634,947
Other selling and administrative expenses	394,305		360,000		452,644	381,214	353,296	330,829	1,065,339	1,504,796	1,517,983	1,391,769
Operating (loss) income	107,391		(189,191)		(251,041)	86,244	(49,030)	(125,613)	(88,399)	(236,507)	(339,440)	527,675
Interest expense						24,646			68,557	181,886	105,214	95,118
Interest (income)						(1,575)			(6,337)	(6,463)	(7,777)	(9,144)
Other non-operating expense, net						1,910			7,532	7,331	68,110	31,959
(Loss) income before income taxes	56,074		(234,022)		(346,836)	61,263	(73,743)	(145,671)	(158,151)	(419,261)	(504,987)	409,742
Provision for income taxes						664,510			614,402	111,732	548,849	91,720
Net Loss	$ 14,913		$ (240,931)		$ (281,283)	$ (603,247)	$ (56,075)	$ (113,231)	$ (772,553)	$ (530,993)	$ (1,053,836)	$ 318,022
Net (Loss) Income Per Common Share - Basic (USD per share)	$ 0.04		$ (0.70)		$ (0.82)	$ (1.75)	$ (0.16)	$ (0.33)	$ (2.25)	$ (1.54)	$ (3.07)	$ 0.93
Weighted average number of common shares (in shares)	345,720		344,584		344,294	343,870	343,116	342,914	343,304	345,012	343,564	341,480
Net (Loss) Income Per Common Share - Diluted (USD per share)	$ 0.04		$ (0.70)		$ (0.82)	$ (1.75)	$ (0.16)	$ (0.33)	$ (2.25)	$ (1.54)	$ (3.07)	$ 0.92
Weighted average number of common and potential common shares (in shares)	345,846		344,584		344,294	343,870	343,116	342,914	343,304	345,012	343,564	344,233
Dividends declared per common share (USD per share)	$ 0.00		$ 0.00		$ 0.00	$ 0.15	$ 0.38	$ 0.38	$ 0.91
Adjustments
Net sales	$ 0		$ 3,958		$ (3,958)	$ 0	$ 1,700	$ 1,800	$ 3,500	$ 3,958	$ (458)	$ (3,500)
Cost of sales	0		0		0	(2,600)	0	(1,600)	(4,200)	0	(4,200)	4,200
Gross Profit	0		3,958		(3,958)	2,600	1,700	3,400	7,700	3,958	3,742	(7,700)
Advertising and promotion expenses	(2,148)		0		0	0	0	0	0	(2,148)	0	0
Other selling and administrative expenses	3,948		0		0	0	0	0	0	3,948	0	0
Operating (loss) income	(1,800)		3,958		(3,958)	2,600	1,700	3,400	7,700	2,158	3,742	(7,700)
Interest expense						0			0	0	0	0
Interest (income)						0			0	0	0	0
Other non-operating expense, net						0			0	0	0	0
(Loss) income before income taxes	(1,800)		3,958		(3,958)	2,600	1,700	3,400	7,700	2,158	3,742	(7,700)
Provision for income taxes						112,798			114,433	4,464	4,485	(2,586)
Net Loss	$ (5,274)		$ 2,968		$ 105,990	$ (110,198)	$ 1,190	$ 2,275	$ (106,733)	$ (2,306)	$ (743)	$ (5,114)
Net (Loss) Income Per Common Share - Basic (USD per share)	$ (0.01)		$ 0.01		$ 0.31	$ (0.32)	$ 0.00	$ 0.01	$ (0.31)	$ (0.01)	$ 0.00	$ (0.02)
Weighted average number of common shares (in shares)	0		0		0	0	0	0	0	0	0	0
Net (Loss) Income Per Common Share - Diluted (USD per share)	$ (0.01)		$ 0.01		$ 0.31	$ (0.32)	$ 0.00	$ 0.01	$ (0.31)	$ (0.01)	$ 0.00	$ (0.01)
Weighted average number of common and potential common shares (in shares)	0		0		0	0	0	0	0	0	0	0
Dividends declared per common share (USD per share)	$ 0.00		$ 0.00		$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.00