Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Feb. 27, 2016	Feb. 28, 2015	Feb. 27, 2016	Feb. 28, 2015
Common Class A [Member]
Income per share – Basic:
Income per share – Basic (in dollars per share)		$ 1.23	$ 1.33	$ 3.10	$ 3.29
Income per share – Diluted:
Income per share – Diluted (in dollars per share)		$ 1.16	$ 1.26	$ 2.94	$ 3.11
Income allocated to – Basic:
Income allocated to – Basic		$ 18,691	$ 20,182	$ 47,232	$ 49,834
Income allocated to – Diluted:
Income allocated to – Diluted		$ 23,401	$ 25,235	$ 59,141	$ 62,335
Weighted average number of shares outstanding – Basic:
Weighted average number of shares outstanding – Basic (in shares)		15,241	15,185	15,230	15,156
Weighted average number of shares outstanding – Diluted:
Weighted average number of shares outstanding – Diluted (in shares)		20,138	20,065	20,127	20,028
Dividends per share:
Dividends per share (in dollars per share)		$ 0.0375	$ 0.0375	$ 0.075	$ 0.075
Common Class B [Member]
Income per share – Basic:
Income per share – Basic (in dollars per share)		$ 0.98	$ 1.06	$ 2.48	$ 2.63
Income allocated to – Basic:
Income allocated to – Basic		$ 4,704	$ 5,041	$ 11,896	$ 12,472
Weighted average number of shares outstanding – Basic:
Weighted average number of shares outstanding – Basic (in shares)		4,795	4,741	4,795	4,741
Dividends per share:
Dividends per share (in dollars per share)		$ 0.03	$ 0.03	$ 0.06	$ 0.06
Revenues		$ 363,097	$ 361,462	$ 736,481	$ 731,823
Cost of revenues (1)	[1]	229,672	223,874	452,275	443,227
Selling and administrative expenses (1)	[1]	75,423	77,245	148,172	149,627
Depreciation and amortization		19,809	18,792	39,547	36,829
Total operating expenses		324,904	319,911	639,994	629,683
Income from operations		38,193	41,551	96,487	102,140
Interest expense		(218)	(239)	(439)	(427)
Interest income		(892)	(944)	(1,656)	(1,748)
Foreign exchange (gain) loss		(132)	880	347	1,251
Total other (income) expense		(806)	175	(870)	(70)
Income before income taxes		38,999	41,376	97,357	102,210
Provision for income taxes		15,501	15,930	37,969	39,351
Net income		$ 23,498	$ 25,446	$ 59,388	$ 62,859
Income per share – Diluted (in dollars per share)		$ 1.16	$ 1.26	$ 2.94	$ 3.11
Income allocated to – Basic		$ 23,498	$ 25,446	$ 59,388	$ 62,859
Income allocated to – Diluted		$ 23,401	$ 25,235	$ 59,141	$ 62,335
Weighted average number of shares outstanding – Diluted (in shares)		20,138	20,065	20,127	20,028

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