v3.7.0.1
SEGMENT INFORMATION: (Geographical Areas) (Details)
$ in Thousands
3 Months Ended
Feb. 28, 2017
USD ($)
number_of_countries
Feb. 29, 2016
USD ($)
number_of_countries
Nov. 30, 2016
USD ($)
number_of_countries
Revenue from External Customers and Net Property and Equipment [Line Items]      
Revenue $ 3,520,869 $ 3,125,622  
Property, Plant and Equipment, Net $ 315,316   $ 312,716
Other      
Revenue from External Customers and Net Property and Equipment [Line Items]      
Number of other countries with over 10% of total revenue | number_of_countries 0 0  
Number of other countries with over 10% of net property and equipment | number_of_countries 0   0
Geographic Concentration Risk [Member] | UNITED STATES | Sales      
Revenue from External Customers and Net Property and Equipment [Line Items]      
Revenue $ 2,499,373 $ 2,246,348  
Geographic Concentration Risk [Member] | UNITED STATES | Property and Equipment [Member]      
Revenue from External Customers and Net Property and Equipment [Line Items]      
Property, Plant and Equipment, Net 130,438   $ 129,633
Geographic Concentration Risk [Member] | CANADA | Sales      
Revenue from External Customers and Net Property and Equipment [Line Items]      
Revenue 387,366 360,322  
Geographic Concentration Risk [Member] | Other | Sales      
Revenue from External Customers and Net Property and Equipment [Line Items]      
Revenue 634,130 $ 518,952  
Geographic Concentration Risk [Member] | Other | Property and Equipment [Member]      
Revenue from External Customers and Net Property and Equipment [Line Items]      
Property, Plant and Equipment, Net 107,723   105,579
Geographic Concentration Risk [Member] | INDIA | Property and Equipment [Member]      
Revenue from External Customers and Net Property and Equipment [Line Items]      
Property, Plant and Equipment, Net 43,024   41,285
Geographic Concentration Risk [Member] | PHILIPPINES | Property and Equipment [Member]      
Revenue from External Customers and Net Property and Equipment [Line Items]      
Property, Plant and Equipment, Net $ 34,131   $ 36,219