v3.3.1.900
FAIR VALUE MEASUREMENTS: (Details) - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
Nov. 30, 2015
Nov. 30, 2014
Assets    
Cash equivalents $ 208,597 $ 29,823
Restricted cash 88,558 34,269
Trading securities 0 1,987
Available-for-sale securities 1,910 1,740
Forward foreign currency exchange contracts 1,753 4,532
Interest rate swaps 19  
Liabilities:    
Forward foreign currency exchange contracts 466 145
Interest rate swaps 5,808  
Acquisition related contingent considerations 433 867
Level 1 [Member]    
Assets    
Cash equivalents 208,597 29,823
Restricted cash 88,558 34,269
Trading securities 0 1,987
Available-for-sale securities 1,910 1,740
Level 2 [Member]    
Assets    
Forward foreign currency exchange contracts 1,753 4,532
Interest rate swaps 19  
Liabilities:    
Forward foreign currency exchange contracts 466 145
Interest rate swaps 5,808  
Level 3 [Member]    
Liabilities:    
Acquisition related contingent considerations $ 433 $ 867