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Stock-Based Compensation Plans - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Aug. 29, 2020	Aug. 29, 2020
Stock Options
Outstanding beginning balance (in shares)	253,145
Granted (in shares)	55,036
Exercised (in shares)	(9,718)
Forfeited/canceled (in shares)	(6,019)
Outstanding ending balance (in shares)	253,145	292,444
Vested and expected to vest at end of year (in shares)		292,444
Exercisable at end of year (in shares)		142,754
Weighted Average Exercise Price Per Share
Outstanding beginning balance (in dollars per share)	$ 34.43
Granted (in dollars per share)	47.93
Exercised (in dollars per share)	34.21
Forfeited/canceled (in dollars per share)	35.09
Outstanding ending balance (in dollars per share)	$ 36.96
Vested and expected to vest at end of year (in dollars per share)		$ 36.96
Exercisable at end of year (in dollars per share)		$ 34.20
Weighted Average Remaining Contractual Term (in years)
Weighted average remaining contractual term, outstanding	7 years 8 months 12 days
Weighted average remaining contractual term, vested and expected to vest	7 years 8 months 12 days
Weighted average remaining contractual term, exercisable	6 years 10 months 24 days
Aggregate Intrinsic Value (in thousands)
Aggregate intrinsic value, outstanding		$ 6,273
Aggregate intrinsic value, vested and expected to vest		6,273
Aggregate intrinsic value, exercisable		$ 3,455

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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