Consolidated Statements of Stockholders' Equity and Comprehensive Income (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock Issued	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Income/(Loss)	Retained Earnings
Balance at, value at Jun. 30, 2009	$ 222,606	$ 44	$ 293,666	$ (237,387)	$ 129	$ 166,154
Balance at, shares at Jun. 30, 2009		43,779,011
Components of comprehensive income:
Net income	52,965					52,965
Net unrealized gain (loss) on available-for-sale investments	1,386				1,386
Total comprehensive income	54,351
Issuance of common stock for share-based award compensation plans, Value	14,031	1	14,030
Issuance of common stock for share-based award compensation plans, Shares		1,112,823
Payroll taxes for deferred stock units	(2,374)		(2,374)
Purchases of treasury stock	(44,545)			(44,545)
Tax benefit (shortfall) associated with share-based awards	7,066		7,066
Share-based compensation	35,376		35,376
Balance at, value at Jun. 26, 2010	286,511	45	347,764	(281,932)	1,515	219,119
Balance at, shares at Jun. 26, 2010		44,891,834
Components of comprehensive income:
Net income	63,796					63,796
Net unrealized gain (loss) on available-for-sale investments	1,005				1,005
Total comprehensive income	64,801
Issuance of common stock for share-based award compensation plans, Value	26,423	2	26,421
Issuance of common stock for share-based award compensation plans, Shares		1,940,374
Payroll taxes for deferred stock units	(3,147)		(3,147)
Purchases of treasury stock	(70,210)			(70,210)
Tax benefit (shortfall) associated with share-based awards	1,690		1,690
Share-based compensation	33,925		33,925
Balance at, value at Jun. 25, 2011	339,993	47	406,653	(352,142)	2,520	282,915
Balance at, shares at Jun. 25, 2011		46,832,208
Components of comprehensive income:
Net income	54,144					54,144
Net unrealized gain (loss) on available-for-sale investments	(522)				(522)
Total comprehensive income	53,622
Issuance of common stock for share-based award compensation plans, Value	34,876	2	34,874
Issuance of common stock for share-based award compensation plans, Shares		1,848,140
Payroll taxes for deferred stock units	(3,946)		(3,946)
Purchases of treasury stock	(61,743)			(61,743)
Tax benefit (shortfall) associated with share-based awards	(173)		(173)
Share-based compensation	34,161		34,161
Balance at, value at Jun. 30, 2012	$ 396,790	$ 49	$ 471,569	$ (413,885)	$ 1,998	$ 337,059
Balance at, shares at Jun. 30, 2012		48,680,348