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Discontinued Operations - Additional Information (Details) - USD ($)
3 Months Ended
Dec. 01, 2020
Feb. 28, 2021
Feb. 29, 2020
Discontinued Operations And Disposal Groups [Abstract]      
Revenues   $ 0  
Costs and expenses   0  
Non-cash items   0  
capital expenditures   $ 0 $ 43,888,000
Accumulated other comprehensive income, transfer related to separation $ 3,813,000