CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract]
Net sales	$ 347,944	$ 383,085	$ 1,061,798	$ 1,051,135
Cost of sales	176,709	182,491	517,694	499,213
Gross profit	171,235	200,594	544,104	551,922
Selling and marketing expenses	76,232	72,439	243,203	204,789
General administrative and other expenses	31,556	31,548	103,840	92,416
Operating income	63,447	96,607	197,061	254,717
Other expense, net:
Interest expense, net	(4,793)	(3,265)	(13,026)	(8,450)
Other income (expense), net	383	(229)	428	(950)
Total other expense	(4,410)	(3,494)	(12,598)	(9,400)
Income before income taxes	59,037	93,113	184,463	245,317
Income tax provision	61,054	31,164	101,139	82,024
Net (loss) income	$ (2,017)	$ 61,949	$ 83,324	$ 163,293
Earnings per common share:
Basic (in dollars per share)	$ (0.03)	$ 0.93	$ 1.34	$ 2.41
Diluted (in dollars per share)	$ (0.03)	$ 0.90	$ 1.31	$ 2.34
Weighted average common shares outstanding:
Basic (in shares)	59,558	66,655	62,087	67,722
Diluted (in shares)	59,558	68,571	63,624	69,847