Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Aug. 29, 2015	Aug. 30, 2014	Aug. 31, 2013
Revenues		$ 1,456,605	$ 1,394,897	$ 1,355,515
Operating expenses:
Cost of revenues (1)	[1]	884,664	858,306	836,174
Selling and administrative expenses (1)	[1]	294,444	271,564	263,531
Depreciation and amortization		77,113	71,752	69,607
Total operating expenses		1,256,221	1,201,622	1,169,312
Income from operations		200,384	193,275	186,203
Other (income) expense:
Interest expense		873	772	1,651
Interest income		(3,310)	(3,131)	(3,201)
Foreign exchange loss		1,553	283	144
Total other (income) expense		(884)	(2,076)	(1,406)
Income before income taxes		201,268	195,351	187,609
Provision for income taxes		76,969	75,426	70,924
Net income		$ 124,299	$ 119,925	$ 116,685
Income per share – Diluted:
Common Stock (in Dollars per share)		$ 6.15	$ 5.95	$ 5.81
Income allocated to – Basic:
Income allocated to – Basic		$ 124,299	$ 119,925	$ 116,685
Income allocated to – Diluted:
Common Stock		$ 123,472	$ 118,626	$ 114,927
Weighted average number of shares outstanding – Diluted:
Common Stock (in Shares)		20,079	19,939	19,789
Common Class A [Member]
Income per share – Basic:
Income per share – Basic (in Dollars per share)		$ 6.50	$ 6.29	$ 6.14
Income allocated to – Basic:
Income allocated to – Basic		$ 98,665	$ 94,849	$ 91,916
Weighted average number of shares outstanding – Basic:
Weighted average number of shares outstanding – Basic (in Shares)		15,182	15,080	14,975
Dividends per share:
Dividends per share (in Dollars per share)		$ 0.15	$ 0.15	$ 0.15
Common Class B [Member]
Income per share – Basic:
Income per share – Basic (in Dollars per share)		$ 5.20	$ 5.03	$ 4.91
Income allocated to – Basic:
Income allocated to – Basic		$ 24,761	$ 23,705	$ 22,913
Weighted average number of shares outstanding – Basic:
Weighted average number of shares outstanding – Basic (in Shares)		4,763	4,711	4,666
Dividends per share:
Dividends per share (in Dollars per share)		$ 0.12	$ 0.12	$ 0.12

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