Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Feb. 25, 2017	Feb. 27, 2016	Feb. 25, 2017	Feb. 27, 2016
Revenues		$ 391,427	$ 363,097	$ 777,535	$ 736,481
Operating expenses:
Cost of revenues	[1]	249,280	229,672	488,045	452,275
Selling and administrative expenses	[1]	84,861	75,423	164,307	148,172
Depreciation and amortization		21,140	19,809	43,280	39,547
Total operating expenses		355,281	324,904	695,632	639,994
Income from operations		36,146	38,193	81,903	96,487
Other (income) expense:
Interest expense		172	218	354	439
Interest income		(1,292)	(892)	(2,275)	(1,656)
Foreign exchange (gain) loss		(108)	(132)	386	347
Total other (income) expense		(1,228)	(806)	(1,535)	(870)
Income before income taxes		37,374	38,999	83,438	97,357
Provision for income taxes		14,858	15,501	32,708	37,969
Net income		$ 22,516	$ 23,498	$ 50,730	$ 59,388
Income per share – Diluted:
Income per share – Diluted (in dollars per share)		$ 1.10	$ 1.16	$ 2.49	$ 2.94
Income allocated to – Basic:
Income allocated to – Basic		$ 22,516	$ 23,498	$ 50,730	$ 59,388
Income allocated to – Diluted:
Income allocated to – Diluted		$ 22,362	$ 23,401	$ 50,381	$ 59,141
Weighted average number of shares outstanding – Diluted:
Weighted average number of shares outstanding – Diluted (in shares)		20,263	20,138	20,250	20,127
Common Class A [Member]
Income per share – Basic:
Income per share – Basic (in dollars per share)		$ 1.17	$ 1.23	$ 2.63	$ 3.10
Income per share – Diluted:
Income per share – Diluted (in dollars per share)		$ 1.10	$ 1.16	$ 2.49	$ 2.94
Income allocated to – Basic:
Income allocated to – Basic		$ 17,836	$ 18,691	$ 40,178	$ 47,232
Income allocated to – Diluted:
Income allocated to – Diluted		$ 22,362	$ 23,401	$ 50,381	$ 59,141
Weighted average number of shares outstanding – Basic:
Weighted average number of shares outstanding – Basic (in shares)		15,305	15,241	15,295	15,230
Weighted average number of shares outstanding – Diluted:
Weighted average number of shares outstanding – Diluted (in shares)		20,263	20,138	20,250	20,127
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)		$ 0.93	$ 0.98	$ 2.10	$ 2.48
Income allocated to – Basic:
Income allocated to – Basic		$ 4,518	$ 4,704	$ 10,184	$ 11,896
Weighted average number of shares outstanding – Basic:
Weighted average number of shares outstanding – Basic (in shares)		4,846	4,795	4,846	4,795
Dividends per share:
Dividends per share (in dollars per share)		$ 0.03	$ 0.03	$ 0.06	$ 0.06

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