Stock-Based Compensation - Additional Information (Detail) - USD ($)							12 Months Ended
	Jun. 25, 2020	Sep. 25, 2019	Sep. 28, 2018	Sep. 28, 2018	Sep. 26, 2018	Jun. 24, 2014	May 31, 2022	May 31, 2021	May 31, 2020	May 31, 2016	May 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized for issuance							3,510,521
Pre-tax stock-based compensation expense							$ 16,100,000	$ 19,129,000	$ 11,883,000
Stock based compensation expense, after tax							12,349,000	14,729,000	9,150,000
Unrecognized compensation cost							$ 18,574,000
Unrecognized compensation cost related to non-vested awards, expense period							3 years
Unrecognized compensation cost					$ 261,000
Non-Qualified Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price percentage of fair market value on the date of grant for stock options							100.00%
Stock options expiration period							10 years
Pre-tax stock-based compensation expense							$ 1,077,000	1,213,000	1,029,000
Total intrinsic value of stock options exercised							1,758,000
Cash received from the exercise of stock options							1,251,000
Tax benefit realized from share-based payment awards							$ 1,080,000
Non-Qualified Stock Options | First Anniversary | Issued On or After June 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options vesting percentage							33.00%
Non-Qualified Stock Options | Second Anniversary | Issued On or After June 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options vesting percentage							33.00%
Non-Qualified Stock Options | Third Anniversary | Issued On or After June 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options vesting percentage							33.00%
Non-Qualified Stock Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price percentage of fair market value on the date of grant for stock options							100.00%
Service-Based Restricted Common Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax stock-based compensation expense							$ 10,993,000	$ 11,985,000	$ 9,258,000
Pre-tax stock-based compensation, period of recognition							3 years
Restricted common shares, granted							192,000	307,000	247,000
Weighted average grant date fair value, per share							$ 57.19	$ 38.99	$ 37.50
Restricted common shares, outstanding							650,000	777,000	643,000		811,000
Restricted common shares, vested							295,000	146,000	395,000
Market-Based Restricted Common Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax stock-based compensation, period of recognition	3 years	5 years	5 years	5 years		5 years
Restricted common shares, granted	45,000	50,000	225,000			50,000
Common share awards vesting, minimum price per share	$ 65.00	$ 65.00	$ 65.00			$ 60.00
Common share awards vesting, minimum consecutive days at stated price	90 days	90 days	90 days			30 days
Weighted average grant date fair value, per share	$ 20.87	$ 14.31	$ 23.38			$ 32.06
Unrecognized compensation cost			$ 5,261,000	$ 5,261,000		$ 1,603,000
Restricted common shares, outstanding								25,000
Restricted common shares, vested					25,000
Restricted common shares, cancelled										25,000