Compensation Plans - Additional Information (Detail) (USD $)	3 Months Ended			6 Months Ended
	May 31, 2014	May 31, 2013	Feb. 28, 2013	May 31, 2014	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	129,500,000			129,500,000
Employee service share-based compensation, unrecognized compensation costs on nonvested awards, weighted average period of recognition				2 years 3 months 18 days
Annual employee contributions				21,250
Employee service share based compensation plan stock price				95.00%
Compensation cost related to profit sharing plan	1,400,000	1,600,000	2,600,000	4,800,000
Weighted average vesting period				3 years
Ratable vesting terms, maximum (in years)				8 years
Ratable vesting terms, minimum (in years)				1 year
Unamortized portion of compensation expense	274,100,000			274,100,000	185,000,000
Successor [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost associated with deferred cash awards	35,000,000	47,000,000		78,200,000
Successor [Member] | Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost related to share-based compensation plans	18,100,000	23,400,000		50,000,000
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 associated with deferred cash awards			48,200,000
Predecessor [Member] | Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost related to share-based compensation plans			$ 22,300,000