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Financial Instruments - Additional Information (Details)
3 Months Ended
Feb. 28, 2019
USD ($)
Feb. 28, 2018
USD ($)
Feb. 28, 2019
EUR (€)
Feb. 28, 2019
GBP (£)
Feb. 28, 2019
USD ($)
Nov. 30, 2018
USD ($)
Debt Instrument [Line Items]            
Total derivative assets, Fair Value   $ 11,000,000     $ 3,300,000 $ 4,400,000
Maximum time frame for foreign exchange contracts, months 18 months          
Amount of accumulated other comprehensive income expected to be reclassified to earnings in next 12 months         500,000  
Fair Value Hedging | Foreign exchange contracts            
Debt Instrument [Line Items]            
Derivative, Notional Amount         441,200,000  
Net Investment Hedging | Cross currency contracts            
Debt Instrument [Line Items]            
Derivative, Notional Amount         250,000,000  
Total derivative assets, Fair Value         250,000,000  
Derivative, Collateral, Obligation to Return Cash | £       £ 194,100,000.0    
Net Investment Hedging | Cross currency contract II            
Debt Instrument [Line Items]            
Derivative, Notional Amount | £       194,100,000.0    
Total derivative assets, Fair Value | £       £ 194,100,000.0    
Derivative, Collateral, Obligation to Return Cash | €     € 221,800,000.0      
Other Income | Fair Value Hedging | Foreign exchange contracts            
Debt Instrument [Line Items]            
Foreign Currency Transaction Gain (Loss), Realized $ 1,700,000 (2,200,000)        
Other Income | Fair Value Hedging | Loans Payable            
Debt Instrument [Line Items]            
Foreign Currency Transaction Gain (Loss), Realized $ (1,800,000) $ 2,000,000        
Interest Rate Swap | Treasury Lock [Member]            
Debt Instrument [Line Items]            
Derivative, Notional Amount         $ 350,000,000  
Five Point Seven Five Notes Due On Two Thousand Seventeen [Member]            
Debt Instrument [Line Items]            
Stated Note interest rate   5.75%        
Debt Instrument, Annual Principal Payment   $ 250,000,000        
Term Loan Due 2020            
Debt Instrument [Line Items]            
Debt Instrument, Annual Principal Payment   $ 50,000,000        
Three Point Two Five Zero Notes Due On Two Thousand Twenty Five [Member]            
Debt Instrument [Line Items]            
Stated Note interest rate     3.25% 3.25% 3.25%  
Three Point Two Five Zero Notes Due On Two Thousand Twenty Five [Member] | Interest Rate Swap | Treasury Lock [Member]            
Debt Instrument [Line Items]            
Derivative, Notional Amount         $ 100,000,000  
Derivative, Fixed Interest Rate     3.25% 3.25% 3.25%  
Derivative, Basis Spread on Variable Rate     1.22% 1.22% 1.22%  
Minimum [Member] | Term Loan Due Two Thousand Twenty Two [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Annual Principal Payment         $ 18,800,000  
United States LIBOR | Net Investment Hedging | Cross currency contracts            
Debt Instrument [Line Items]            
Derivative, Variable Interest Rate     0.685% 0.685% 0.685%  
Great Britain LIBOR | Net Investment Hedging | Cross currency contracts            
Debt Instrument [Line Items]            
Derivative, Variable Interest Rate     0.74% 0.74% 0.74%  
Great Britain LIBOR | Net Investment Hedging | Cross currency contract II            
Debt Instrument [Line Items]            
Derivative, Variable Interest Rate     0.74% 0.74% 0.74%  
EURIBOR | Net Investment Hedging | Cross currency contract II            
Debt Instrument [Line Items]            
Derivative, Variable Interest Rate     0.808% 0.808% 0.808%