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Commitments and Contingent Liabilities - (Additional Information About Leases) (Details) - USD ($)
$ in Thousands
May 31, 2020
Dec. 01, 2019
Commitments and Contingencies Disclosure [Abstract]    
Right-of-use assets $ 128,423 $ 150,700
Lease liabilities $ 137,795 $ 159,700
Weighted-average remaining lease term (in years) 2 years 10 months 24 days  
Weighted-average discount rate 3.00%