v2.4.0.8
Debt - Long-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Long-term debt $ 353,939 $ 353,971
Less: current portion of long-term debt 71 67
Long-term debt, net of current maturities 353,868 353,904
2021 Notes
   
Debt Instrument [Line Items]    
Long-term debt 350,000 350,000
Other Long-Term Debt
   
Debt Instrument [Line Items]    
Long-term debt $ 3,939 $ 3,971