v3.3.1.900
SHARE-BASED COMPENSATION: Stock Options Exercised, Options Outstanding Information (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Nov. 30, 2015
Nov. 30, 2014
Nov. 30, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Weighted-average grant-date fair value per option $ 26.70 $ 19.34 $ 23.62
Outstanding options, shares 657 750  
Outstanding options, remaining vesting term 6 years 3 months 10 days    
Outstanding options, weighted-average exercise price $ 43.50    
Outstanding options, intrinsic value $ 33,330    
Vested and exercisable options, shares 430    
Vested and exercisable options, remaining vesting term 5 years    
Options vested and exercisable, weighted average exercise price $ 31.43    
Vested and exercisable options, intrinsic value $ 27,009    
Intrinsic value of options exercised 9,338 $ 11,500 $ 10,749
Cash received from exercise of options 3,984 $ 5,873 $ 7,163
Employee Stock Options [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Unamortized share-based compensation related to nonvested stock options $ 5,015    
Estimated weighted-average amortization period (in years) 3 years 9 months 17 days