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Quarterly Financial Summary (Unaudited) - Schedule of Quarterly Financial Summary (Parenthetical) (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Jun. 30, 2014
Schedule Of Quarterly Financial Summary [Line Items]                    
Asset impairment charges $ 9,700         $ 11,500 $ 60,515 $ 36,141 $ 21,647  
Valuation allowances against deferred tax assets 109,800           109,800      
Trade name impairment charges         $ 14,200 3,000   14,200    
Income from insurance recovery           $ 8,600        
Decrease in revenue         12,300          
Expense for bad debts         9,900          
Transitional Group [Member]                    
Schedule Of Quarterly Financial Summary [Line Items]                    
Asset impairment charges     $ 1,700 $ 6,000     6,100 14,500    
Culinary Arts [Member]                    
Schedule Of Quarterly Financial Summary [Line Items]                    
Asset impairment charges $ 9,000 $ 33,400 $ 9,700       $ 35,100 10,300    
Trade name impairment charges         $ 10,300     $ 10,300   $ 7,400