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Derivative Instruments and Hedging Activities - Narrative (Details) $ in Thousands, $ in Millions	Aug. 31, 2021 CAD ($) contract	Aug. 28, 2021 USD ($)	Aug. 28, 2021 CAD ($)	Aug. 29, 2020 USD ($)	Jun. 30, 2018 CAD ($) contract
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount reclassified from accumulated other comprehensive loss		$ (24,836)		$ (31,970)
Canadian Dollars
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Average exchange rate	0.7861				0.7814
Forward Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional value (CAD)	$ 14.1		$ 15.5		$ 12.1
Amount reclassified from accumulated other comprehensive loss		$ (100)
Forward Contracts \| Canadian Dollars
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of derivatives entered into to exchange Canadian dollars for U.S. dollars \| contract	20				12