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Legal Proceedings Legal (Details) - Plymouth County Retirement System v. Patterson Companies, Inc., Scott P. Anderson and Ann B. Gugino $ in Thousands		3 Months Ended
	Aug. 27, 2021 USD ($)	Oct. 30, 2021 USD ($)	Jul. 31, 2021 USD ($)	Mar. 28, 2018 case
Loss Contingencies [Line Items]
Pending claims \| case				1
Litigation settlement	$ 63,000
Proceeds from insurance settlement	$ 35,000
Litigation liability			$ 63,000
Insurance settlements receivable			27,000
Litigation settlement expense			$ 36,000
Gain on litigation settlement		$ 8,000