Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Feb. 27, 2021	Feb. 29, 2020	Feb. 27, 2021	Feb. 29, 2020
Revenues		$ 449,764	$ 464,600	$ 896,617	$ 929,998
Operating expenses:
Cost of revenues	[1]	289,455	301,422	565,255	590,738
Selling and administrative expenses	[1]	93,329	93,080	182,032	183,608
Depreciation and amortization		26,287	25,971	52,595	51,430
Total operating expenses		409,071	420,473	799,882	825,776
Operating income		40,693	44,127	96,735	104,222
Other (income) expense:
Interest income, net		(863)	(2,175)	(1,431)	(4,536)
Other (income) expense, net		(584)	539	165	1,067
Total other income, net		(1,447)	(1,636)	(1,266)	(3,469)
Income before income taxes		42,140	45,763	98,001	107,691
Provision for income taxes		9,555	11,083	23,520	24,769
Net income		$ 32,585	$ 34,680	$ 74,481	$ 82,922
Income per share – Diluted:
Common stock (in dollars per share)		$ 1.71	$ 1.82	$ 3.91	$ 4.34
Income allocated to – Basic:
Common stock		$ 32,585	$ 34,680	$ 74,481	$ 82,922
Income allocated to – Diluted:
Common stock		$ 32,585	$ 34,680	$ 74,481	$ 82,922
Weighted average shares outstanding – Basic:
Common stock (in shares)		18,866	18,936	18,878	18,943
Weighted average shares outstanding – Diluted:
Common stock (in shares)		19,037	19,105	19,032	19,114
Common Stock
Income per share – Basic:
Common stock (in dollars per share)		$ 1.80	$ 1.90	$ 4.10	$ 4.55
Income allocated to – Basic:
Common stock		$ 27,349	$ 29,129	$ 62,520	$ 69,654
Weighted average shares outstanding – Basic:
Common stock (in shares)		15,223	15,293	15,235	15,300
Class B Common Stock
Income per share – Basic:
Common stock (in dollars per share)		$ 1.44	$ 1.52	$ 3.28	$ 3.64
Income allocated to – Basic:
Common stock		$ 5,236	$ 5,551	$ 11,961	$ 13,268
Weighted average shares outstanding – Basic:
Common stock (in shares)		3,643	3,643	3,643	3,643

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