XML 50 R39.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivative Instruments (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Feb. 28, 2018
Feb. 28, 2017
Nov. 30, 2017
Forward Contracts [Member]      
Derivative [Line Items]      
Minimum maturity period, foreign currency derivative 30 days    
Maximum maturity period, foreign currency derivative 1 year    
Gains (losses) on foreign currency forward contracts $ 3.6 $ 0.8  
Other Current Assets [Member]      
Derivative [Line Items]      
Derivative liabilities $ 1.2    
Other Accrued Liabilities [Member]      
Derivative [Line Items]      
Derivative liabilities     $ 0.2
Other Assets [Member]      
Derivative [Line Items]      
Derivative liabilities     $ 0.2