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Retirement Plan - Schedule of Net Periodic Benefit Cost (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 23, 2021	Dec. 24, 2020	Dec. 23, 2021	Dec. 24, 2020
Retirement Benefits [Abstract]
Service cost	$ 247	$ 236	$ 495	$ 472
Interest cost	255	215	509	429
Amortization of prior service cost	0	119	0	239
Amortization of loss	364	295	728	591
Net periodic benefit cost	$ 866	$ 865	$ 1,732	$ 1,731

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