Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements Of Income [Abstract]
Net sales	$ 429,926	$ 405,633	$ 733,460	$ 690,454
Cost of goods sold:
Cost of sales	211,012	211,249	370,767	366,337
Depreciation related to cost of goods sold	1,601	1,165	2,944	2,490
Total cost of goods sold	212,613	212,414	373,711	368,827
Gross profit	217,313	193,219	359,749	321,627
Operating expenses:
Selling, general and administrative	148,451	136,617	266,898	246,439
Depreciation and amortization	7,070	6,262	13,788	12,549
Total operating expenses	155,521	142,879	280,686	258,988
Income from operations	61,792	50,340	79,063	62,639
Interest expense, net	5,786	5,552	11,048	10,883
Income before income taxes	56,006	44,788	68,015	51,756
Provision for income taxes	13,635	10,830	16,412	12,911
Net income	$ 42,371	$ 33,958	$ 51,603	$ 38,845
Net income per common share:
Basic	$ 1.46	$ 1.24	$ 1.78	$ 1.42
Diluted	$ 1.42	$ 1.19	$ 1.73	$ 1.37
Weighted average number of common shares:
Basic	28,980	27,459	28,925	27,266
Diluted	29,917	28,568	29,913	28,297