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Interim Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 31, 2019	May 25, 2019	Feb. 23, 2019	Nov. 24, 2018	Aug. 25, 2018	May 26, 2018	Feb. 24, 2018	Nov. 25, 2017	Aug. 31, 2019	Aug. 25, 2018	Aug. 26, 2017
Quarterly Financial Information Disclosure [Abstract]
Net revenues	$ 530,396	$ 528,940	$ 432,690	$ 493,648	$ 536,188	$ 562,261	$ 468,359	$ 450,021	$ 1,985,674	$ 2,016,829	$ 1,547,119
Gross profit	83,188	86,584	66,429	70,996	83,830	85,514	67,661	62,831	307,197	299,836	222,577
Operating income	44,765	48,974	28,903	32,625	45,688	48,277	35,251	31,176	155,267	160,392	125,106
Net income	$ 31,868	$ 36,171	$ 21,598	$ 22,161	$ 29,790	$ 32,521	$ 22,088	$ 17,958	$ 111,798	$ 102,357	$ 71,330
Net income (loss) per share (basic) (in dollars per share)	$ 1.01	$ 1.15	$ 0.68	$ 0.70	$ 0.94	$ 1.03	$ 0.70	$ 0.57	$ 3.55	$ 3.24	$ 2.33
Net income (loss) per share (diluted) (in dollars per share)	$ 1.01	$ 1.14	$ 0.68	$ 0.70	$ 0.94	$ 1.02	$ 0.69	$ 0.57	$ 3.52	$ 3.22	$ 2.32
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Work-in-process inventory error correction	$ 10,800

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