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Debt and Credit Lines - Phantom (Details)
Nov. 30, 2019
Nov. 30, 2018
Nov. 30, 2017
Term Loan B [Member]      
Debt Instrument [Line Items]      
Debt, Weighted Average Interest Rate   5.03% 5.55%
Senior Secured Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Fixed Charge Coverage Ratio Required by Debt Covenant 1.1    
Debt, Weighted Average Interest Rate   3.25%