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Financial Instruments - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
May 31, 2017
May 31, 2016
May 31, 2017
May 31, 2016
Debt Instrument [Line Items]        
Lessee Leasing Arrangements, Operating Leases, Term of Contract     15 years  
Operating Leases, Rent Expense, Net $ 0.9      
Maximum time frame for foreign exchange contracts, months     6 months  
Amount of accumulated other comprehensive income expected to be reclassified to earnings in next 12 months 0.6   $ 0.6  
Current Credit Facility [Member] | Line of Credit [Member]        
Debt Instrument [Line Items]        
Long-term Line of Credit $ 250.0   250.0  
Debt Instrument, Basis Spread on Variable Rate 0.75%      
Other Income [Member] | Fair Value Hedging [Member] | Foreign Exchange Contract [Member]        
Debt Instrument [Line Items]        
Foreign Currency Transaction Gain (Loss), Realized $ 5.0 $ 0.0 2.3 $ 0.0
Other Income [Member] | Fair Value Hedging [Member] | Loans Payable [Member]        
Debt Instrument [Line Items]        
Foreign Currency Transaction Gain (Loss), Realized $ (5.4) $ 0.0 $ (2.9) $ 0.0