Condensed Consolidated Statements Of Income And Other Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 29, 2011	Oct. 30, 2010	Oct. 29, 2011	Oct. 30, 2010
Condensed Consolidated Statements Of Income And Other Comprehensive Income [Abstract]
Net sales	$ 856,875	$ 857,414	$ 1,704,297	$ 1,707,201
Cost of sales	575,892	578,213	1,145,038	1,147,800
Gross profit	280,983	279,201	559,259	559,401
Operating expenses	197,724	189,049	394,007	380,225
Operating income	83,259	90,152	165,252	179,176
Other income and (expense):
Interest income	897	2,898	2,726	5,541
Interest expense	(6,169)	(6,229)	(12,522)	(13,119)
Other gain (loss)	(943)	(1,467)	(1,554)	(477)
Income before taxes	77,044	85,354	153,902	171,121
Income taxes	28,090	31,997	56,338	63,839
Net income	48,954	53,357	97,564	107,282
Earnings per share:
Basic	$ 0.43	$ 0.45	$ 0.86	$ 0.90
Diluted	$ 0.43	$ 0.45	$ 0.85	$ 0.90
Weighted average common shares:
Basic	112,538	118,616	114,057	118,819
Diluted	113,186	119,373	114,737	119,579
Dividends declared per common share	$ 0.12	$ 0.10	$ 0.24	$ 0.20
Other Comprehensive Income
Net income	48,954	53,357	97,564	107,282
Foreign currency translation (loss) gain	(9,006)	6,581	(10,985)	(700)
Cash flow hedge	(31)	(31)	(62)	(62)
Comprehensive Income	$ 39,917	$ 59,907	$ 86,517	$ 106,520