XML 50 R40.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivative Instruments (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
May 31, 2018
May 31, 2017
May 31, 2018
May 31, 2017
Nov. 30, 2017
Forward Contracts          
Derivative [Line Items]          
Minimum maturity period, foreign currency derivative     30 days    
Maximum maturity period, foreign currency derivative     1 year    
Gain (loss) on foreign currency forward contracts $ 6.7 $ (3.6) $ 3.1 $ (4.4)  
Other Current Liabilities          
Derivative [Line Items]          
Derivative liabilities $ 1.5   $ 1.5   $ 0.2
Other Assets          
Derivative [Line Items]          
Derivative liabilities         $ 0.2