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Debt and Credit Lines - Additional Information (Details)
€ in Millions, $ in Millions
3 Months Ended 12 Months Ended
Feb. 28, 2018
USD ($)
Nov. 30, 2019
USD ($)
Nov. 30, 2018
USD ($)
Nov. 30, 2017
USD ($)
Nov. 30, 2019
EUR (€)
Debt Instrument [Line Items]          
Short-term Debt, Weighted Average Interest Rate, over Time     5.57% 5.40%  
Capital Leases, Balance Sheet, Assets by Major Class, Net   $ 13.8      
Amortization of Debt Issuance Costs and Discounts   1.7 $ 1.3 $ 1.5  
Debt issuance costs write-off   0.8      
Payments of Debt Issuance Costs   0.0 $ 0.9 $ 0.0  
Eurodollar Revolver [Domain]          
Debt Instrument [Line Items]          
Line of Credit Facility, Expansion Feature | €         € 9.0
Line of Credit Facility, Maximum Borrowing Capacity | €         16.0
Line of Credit Facility, Current Borrowing Capacity | €         25.0
Line of Credit Facility, Expiration Date     Aug. 26, 2021    
Long-term Line of Credit, Noncurrent | €         0.0
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement | €         € 19.0
Senior Secured Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Line of Credit Facility, Expansion Feature   140.0      
Line of Credit Facility, Maximum Borrowing Capacity   90.0      
Line of Credit Facility, Expiration Date     Aug. 26, 2021    
Line of Credit Facility, Capacity Available for Trade Purchases   5.0      
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases   10.0      
Letters of Credit Outstanding, Amount   0.4      
Line of Credit Facility, Remaining Borrowing Capacity   $ 32.1      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage   0.375%      
Long-term Line of Credit, Noncurrent   $ 19.0 $ 12.0    
Line of Credit Facility, Average Outstanding Amount   25.0      
Foreign Line of Credit [Member]          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity   12.1      
Term Loan B [Member]          
Debt Instrument [Line Items]          
Debt Instrument, Face Amount   $ 350.0      
Debt Instrument, Maturity Date   Aug. 26, 2023      
Annual principal payments   $ 3.5      
Line of Credit Facility, Expansion Feature     $ 120.0    
Line of Credit Facility, Covenant Terms   5.0     5.0
Net Leverage Ratio Attained by Debt Covenant   4.0     4.0
Repayments of Debt $ 40.0        
Term Loan [Member]          
Debt Instrument [Line Items]          
Line of Credit Facility, Expansion Feature   $ 85.0      
London Interbank Offered Rate (LIBOR) [Member] | Term Loan B [Member]          
Debt Instrument [Line Items]          
Interest rate, spread on variable rate   1.00% 3.25%    
London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member]          
Debt Instrument [Line Items]          
Interest rate, spread on variable rate   4.25%      
Eurodollar [Member] | Senior Secured Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Interest rate, spread on variable rate   1.50%      
Eurodollar [Member] | Term Loan B [Member]          
Debt Instrument [Line Items]          
Interest rate, spread on variable rate   1.00%      
Base Rate [Member] | Senior Secured Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Interest rate, spread on variable rate   0.50%      
Base Rate [Member] | Term Loan B [Member]          
Debt Instrument [Line Items]          
Interest rate, spread on variable rate   0.50% 2.25%    
Base Rate [Member] | Term Loan [Member]          
Debt Instrument [Line Items]          
Interest rate, spread on variable rate   3.25%      
Pro Forma [Member] | Senior Secured Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Line of Credit Facility, Remaining Borrowing Capacity   $ 50.0