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Debt and Credit Lines Phantom (Details)
€ in Millions, $ in Millions
3 Months Ended 9 Months Ended
Aug. 31, 2019
USD ($)
Aug. 31, 2018
USD ($)
Aug. 31, 2019
USD ($)
Aug. 31, 2018
USD ($)
Aug. 31, 2019
EUR (€)
Nov. 30, 2018
EUR (€)
Debt Instrument [Line Items]            
Amortization of Debt Issuance Costs and Discounts $ 0.4 $ 0.4 $ 1.1 $ 1.0    
Term Loan B [Member]            
Debt Instrument [Line Items]            
Debt, Weighted Average Interest Rate 5.48%   5.48%   5.48% 5.55%
Senior Secured Revolving Credit Facility [Member]            
Debt Instrument [Line Items]            
Debt, Weighted Average Interest Rate 3.69%   3.69%   3.69% 3.88%
Long-term Line of Credit, Outstanding Borrowings $ 18.2   $ 18.2      
Foreign Line of Credit [Member]            
Debt Instrument [Line Items]            
Long-term Line of Credit, Outstanding Borrowings | €         € 0.0 € 0.0