Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		May. 30, 2015	May. 31, 2014	May. 30, 2015	May. 31, 2014
Revenues		$ 365,574	$ 352,238	$ 1,097,397	$ 1,042,909
Operating expenses:
Cost of revenues (1)	[1]	221,995	216,644	665,222	640,341
Selling and administrative expenses (1)	[1]	72,205	67,996	221,832	203,478
Depreciation and amortization		19,022	18,109	55,851	53,237
Total operating expenses		313,222	302,749	942,905	897,056
Income from operations		52,352	49,489	154,492	145,853
Other (income) expense:
Interest expense		221	109	648	533
Interest income		(784)	(773)	(2,532)	(2,415)
Foreign exchange loss		72	39	1,323	41
Total other (income) expense		(491)	(625)	(561)	(1,841)
Income before income taxes		52,843	50,114	155,053	147,694
Provision for income taxes		20,344	19,170	59,695	56,641
Net income		$ 32,499	$ 30,944	$ 95,358	$ 91,053
Income per share – Diluted:
Common Stock (in Dollars per share)		$ 1.61	$ 1.53	$ 4.72	$ 4.52
Income allocated to – Basic:
Income per share – Diluted		$ 32,499	$ 30,944	$ 95,358	$ 91,053
Income allocated to – Diluted:
Common Stock		$ 32,310	$ 30,637	$ 94,644	$ 89,992
Weighted average number of shares outstanding – Diluted:
Common Stock (in Shares)		20,118	19,977	20,057	19,921
Common Class A [Member]
Income per share – Basic:
Common Stock (in Dollars per share)		$ 1.70	$ 1.62	$ 4.99	$ 4.78
Income per share – Diluted:
Common Stock (in Dollars per share)		$ 1.61	$ 1.53	$ 4.72	$ 4.52
Income allocated to – Basic:
Income per share – Diluted		$ 25,817	$ 24,493	$ 75,650	$ 71,971
Income allocated to – Diluted:
Common Stock		$ 32,310	$ 30,637	$ 94,644	$ 89,992
Weighted average number of shares outstanding – Basic:
Income allocated to – Basic (in Shares)		15,207	15,102	15,173	15,069
Weighted average number of shares outstanding – Diluted:
Common Stock (in Shares)		20,118	19,977	20,057	19,921
Dividends per share:
Income allocated to – Diluted (in Dollars per share)		$ 0.0375	$ 0.0375	$ 0.1125	$ 0.1125
Common Class B [Member]
Income per share – Basic:
Common Stock (in Dollars per share)		$ 1.36	$ 1.30	$ 3.99	$ 3.82
Income allocated to – Basic:
Income per share – Diluted		$ 6,483	$ 6,127	$ 18,954	$ 17,962
Weighted average number of shares outstanding – Basic:
Income allocated to – Basic (in Shares)		4,773	4,722	4,752	4,701
Dividends per share:
Income allocated to – Diluted (in Dollars per share)		$ 0.0300	$ 0.0300	$ 0.0900	$ 0.0900

[1] Exclusive of depreciation on the Company's property, plant and equipment and amortization of its intangible assets.