Consolidated Statements of Shareholders' Equity (USD $) In Thousands		Common Class A [Member] Common Stock [Member]		Common Class B [Member] Common Stock [Member]		Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Aug. 27, 2011		$ 1,499		$ 488		$ 33,588	$ 752,530	$ 9,837	$ 797,942
Balance (in Shares) at Aug. 27, 2011		14,987		4,887
Net income							94,989		94,989
Pension benefit liabilities, net (1)	[1]							(362)	(362)
Pension benefit liabilities, net (1) (in Shares)	[1]
Foreign currency translation								(2,204)	(2,204)
Dividends declared							(2,843)		(2,843)
Shares converted (in Shares)		3		(3)
Share-based compensation, net (2)	[2]					6,578			6,578
Share-based compensation, net (2) (in Shares)	[2]	1
Share-based awards exercised, net (1)(3)	[1],[3]	7				2,818			2,825
Share-based awards exercised, net (1)(3) (in Shares)	[1],[3]	73
Balance at Aug. 25, 2012		1,506		488		42,984	844,676	7,271	896,925
Balance (in Shares) at Aug. 25, 2012		15,064		4,884
Net income							116,685		116,685
Pension benefit liabilities, net (1)	[1]							255	255
Pension benefit liabilities, net (1) (in Shares)	[1]
Foreign currency translation								(6,081)	(6,081)
Dividends declared							(2,853)		(2,853)
Shares converted		1		(1)
Shares converted (in Shares)		12		(12)
Share-based compensation, net (2)	[2]	(3)				2,982			2,979
Share-based compensation, net (2) (in Shares)	[2]	(36)
Share-based awards exercised, net (1)(3)	[1],[3]	9				5,479			5,488
Share-based awards exercised, net (1)(3) (in Shares)	[1],[3]	90
Balance at Aug. 31, 2013		1,513		487		51,445	958,508	1,445	1,013,398
Balance (in Shares) at Aug. 31, 2013		15,130		4,872
Net income							119,925		119,925
Pension benefit liabilities, net (1)	[1]							(1,126)	(1,126)
Pension benefit liabilities, net (1) (in Shares)	[1]
Foreign currency translation								(2,852)	(2,852)
Dividends declared							(2,861)		(2,861)
Shares converted		1		(1)
Shares converted (in Shares)		12		(12)
Share-based compensation, net (2)	[2]	(3)				2,079			2,076
Share-based compensation, net (2) (in Shares)	[2]	(36)
Share-based awards exercised, net (1)(3)	[1],[3]	8				5,891			5,899
Share-based awards exercised, net (1)(3) (in Shares)		84	[1],[3]		[1],[3]				(89,638)
Balance at Aug. 30, 2014		$ 1,519		$ 486		$ 59,415	$ 1,075,572	$ (2,533)	$ 1,134,459
Balance (in Shares) at Aug. 30, 2014		15,190		4,860

[1] These amounts are shown net of the effect of income taxes

[2] These amounts are shown net of any shares withheld by the Company to satisfy certain tax withholdings obligations in connection with the vesting of certain shares of restricted stock.

[3] These amounts include excess tax benefits that the Company realized as part of the exercise of share-based awards.