v3.3.1.900
DERIVATIVE INSTRUMENTS: (Details) - USD ($)
$ in Thousands
12 Months Ended
Nov. 30, 2015
Nov. 30, 2014
Nov. 30, 2013
May. 31, 2015
Derivative Instrument Detail [Abstract]        
Decrease in derivative assets and liabilities due to offsetting $ 1,948 $ 145    
Foreign Exchange Forward Contracts [Member]        
Derivative Instrument Detail [Abstract]        
Derivative, notional amount 251,677 316,365    
Foreign Exchange Forward Contracts [Member] | Other Income (Expense), net [Member]        
Derivative Instrument Detail [Abstract]        
Gain on forward contracts 18,764 22,190 $ 8,368  
Interest Rate Swap [Member]        
Derivative Instrument Detail [Abstract]        
Derivative, notional amount       $ 400,000
Derivative instruments, gain (loss) recognized in earnings 0      
Derivative instruments, hedge ineffectiveness, 0      
Derivative instruments, loss recognized in earnings within next 12 months 0      
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward Contracts [Member] | Other Current Assets [Member]        
Derivative Instrument Detail [Abstract]        
Foreign currency forward contracts, fair value 1,753 4,532    
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward Contracts [Member] | Other Accrued Liabilities [Member]        
Derivative Instrument Detail [Abstract]        
Foreign currency forward contracts, fair value 466 145    
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]        
Derivative Instrument Detail [Abstract]        
Loss recognized in other comprehensive income (loss) 5,789      
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Other Current Assets [Member]        
Derivative Instrument Detail [Abstract]        
Interest rate swaps, fair value 19 0    
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Other Long-term Liabilities [Member]        
Derivative Instrument Detail [Abstract]        
Interest rate swaps, fair value $ 5,808 $ 0