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Compensation Plans - Additional Information (Detail) (USD $)
3 Months Ended
Feb. 28, 2014
Feb. 28, 2013
Nov. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of years in which restricted stock awards amortized as compensation expense 4 years    
Increase in the unrecognized compensation cost   $ 45,100,000  
Total unrecognized compensation cost related to nonvested share-based awards 150,500,000    
Employee service share-based compensation, unrecognized compensation costs on nonvested awards, weighted average period of recognition 2 years 6 months    
Annual employee contributions 21,250    
Employee service share based compensation plan stock price 95.00%    
Compensation cost related to profit sharing plan 3,400,000 2,600,000  
Weighted average vesting period 3 years    
Ratable vesting terms, maximum (in years) 8 years    
Ratable vesting terms, minimum (in years) 1 year    
Compensation cost associated with deferred cash awards 34,200,000 44,700,000  
Unamortized portion of compensation expense 292,800,000   185,000,000
Restricted Stock Awards [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total compensation cost related to share-based compensation plans 31,900,000 22,300,000  
Successor [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation cost related to deferred compensation plan 38,000    
Predecessor [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total compensation cost related to share-based compensation plans   23,505,000  
Compensation cost related to deferred compensation plan   $ 72,000