Comprehensive Income (Details) (USD $) In Thousands	3 Months Ended								12 Months Ended
	Jun. 25, 2011	Mar. 26, 2011	Dec. 25, 2010	Sep. 25, 2010	Jun. 26, 2010	Mar. 27, 2010	Dec. 26, 2009	Sep. 26, 2009	Jun. 25, 2011	Jun. 26, 2010	Jun. 27, 2009
Changes in components of OCI, net of taxes
Net income	$ 125,593	$ 136,276	$ 109,590	$ 117,550	$ 58,455	$ (33,903)	$ 58,635	$ 41,952	$ 489,009	$ 125,139	$ 10,455
Change in unrealized gains (losses) on investments, net of tax benefits (expense) of $(189) 2011, $770 in 2010, and $(383) in 2009									331	(1,346)	681
Change in unrealized gains (losses) on forward exchange contracts, net of tax benefit (expense) of $(1) in 2011, $85 in 2010, and $0 in 2009									0	150	0
Deferred tax on unrealized exchange gain (loss) on intercompany receivables									(2,369)	(1,893)	552
Actuarial loss on post-retirement benefits, net of tax benefit (expense) of $(132) in 2011, $515 in 2010 and $2,153 in 2009									(289)	(896)	(3,762)
Total Comprehensive Income									486,682	120,854	7,926
Components of accumulated other comprehensive loss
Deferred Tax on Unrealized Exchange Gains on Long Term Intercompany Receivables	(8,081)				(5,712)				(8,081)	(5,712)
Unrealized components of post-retirement benefits	(4,841)				(4,552)				(4,841)	(4,552)
Cumulative translation adjustment	(1,527)				(1,527)				(1,527)	(1,527)
Net unrealized gain (loss) on cash flow hedges	(150)				(150)				(150)	(150)
Net unrealized gain on available-for-sale securities	331				0				331	0
Accumulated Other Comprehensive Loss	$ (14,268)				$ (11,941)				$ (14,268)	$ (11,941)