XML 87 R47.htm IDEA: XBRL DOCUMENT v3.19.3
Derivative Instruments (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Aug. 31, 2019
Aug. 31, 2018
Jul. 09, 2019
Nov. 30, 2018
Interest Rate Swap            
Derivative [Line Items]            
Notional amount         $ 150,000,000.0  
Fixed interest rate         1.855%  
Forward Contracts            
Derivative [Line Items]            
Minimum maturity period, foreign currency derivative     30 days      
Maximum maturity period, foreign currency derivative     1 year      
Loss on foreign currency forward contracts $ 1,600,000 $ 1,000,000.0 $ 2,900,000 $ 4,100,000    
Other Accrued Liabilities            
Derivative [Line Items]            
Derivative liabilities 2,900,000   2,900,000      
Other Noncurrent Liabilities            
Derivative [Line Items]            
Derivative liabilities $ 3,300,000   $ 3,300,000     $ 300,000
Other Current Assets            
Derivative [Line Items]            
Derivative asset           $ 100,000
London Interbank Offered Rate (LIBOR) | Interest Rate Swap            
Derivative [Line Items]            
Basis spread on variable rate         0.00%