Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Consolidated Statements of Income
Revenue	$ 676,276	$ 619,081	$ 1,340,966	$ 1,243,354
Cost of sales, including cost of warehousing, distribution and occupancy	420,384	379,644	828,937	763,208
Gross profit	255,892	239,437	512,029	480,146
Compensation and related benefits	81,104	78,376	160,649	158,419
Advertising and promotion	16,282	13,411	36,722	29,630
Other selling, general and administrative	34,917	30,573	66,582	62,358
Foreign currency gain	(82)	17	(115)	(76)
Transaction related costs				686
Operating income	123,671	117,060	248,191	229,129
Interest expense, net (Note 5)	11,101	10,495	22,116	20,878
Income before income taxes	112,570	106,565	226,075	208,251
Income tax expense (Note 10)	40,882	39,894	81,744	77,723
Net income	$ 71,688	$ 66,671	$ 144,331	$ 130,528
Earnings per share:
Basic (in dollars per share)	$ 0.74	$ 0.63	$ 1.47	$ 1.23
Diluted (in dollars per share)	$ 0.73	$ 0.62	$ 1.46	$ 1.21
Weighted average common shares outstanding:
Basic (in shares)	97,428	106,517	98,208	106,161
Diluted (in shares)	98,333	107,927	99,106	107,917
Dividends declared per share:	$ 0.15	$ 0.11	$ 0.30	$ 0.22