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Long-Term Debt - Summary (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
Total Debt $ 245,026 $ 290,052
Less current portion 26 26
Total long-term debt $ 245,000 $ 290,026
Weighted-average interest rate (percent) 3.07% 8.20%
New Term Loan    
Debt Instrument [Line Items]    
Long-Term Debt $ 245,000 $ 0
Senior Unsecured Notes    
Debt Instrument [Line Items]    
Long-Term Debt $ 0 200,000
Fixed rate (percent) 9.75%  
Senior Secured Term Loan    
Debt Instrument [Line Items]    
Long-Term Debt $ 0 90,000
Floating rate (percent) 4.75%  
Other Debt    
Debt Instrument [Line Items]    
Long-Term Debt $ 26 $ 52
Fixed rate (percent) 5.41%