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SHARE-BASED COMPENSATION: Restricted Stock Awards and Restricted Stock Units (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Nov. 30, 2017
USD ($)
$ / shares
shares
Restricted Stock Awards and Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Nonvested shares, beginning | shares 640
Awards and units vested, shares | shares (206)
Awards canceled/forfeited, shares | shares (46) [1]
Nonvested shares, ending | shares 701
Nonvested, weighted-average, grant-date fair value per share, beginning | $ / shares $ 79.65
Awards and units vested, weighted-average, grant-date fair value per share | $ / shares 69.71
Weighted-average fair value per share at grant date | $ / shares 79.76
Nonvested, weighted-average, grant-date fair value per share, ending | $ / shares $ 103.74
Unamortized share-based compensation related to nonvested restricted stock awards and stock units | $ $ 58,770
Estimated weighted-average amortization period (in years) 3 years 7 months 28 days
Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Awards granted, shares | shares 149
Awards/Units granted, weighted-average, grant-date fair value per share | $ / shares $ 125.69
Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Awards granted, shares | shares 164 [2]
Awards/Units granted, weighted-average, grant-date fair value per share | $ / shares $ 124.39
[1] For performance-based restricted stock units, the difference between maximum awards and the actual number of shares issued upon full vesting is included.
[2] For performance-based restricted stock units, the maximum number of shares that can be awarded upon full vesting of the grants is included.