Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Summary of Company's Current Debt Portfolio (Detail)

v2.4.0.8
Long-Term Debt - Summary of Company's Current Debt Portfolio (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Debt Instrument [Line Items]    
Total debt $ 653,781 $ 479,205
Less current portion 25,000 10,000
Total long-term debt 628,781 469,205
7.50% Senior Notes, due August 2020 (Issued July 30, 2013) [Member]
   
Debt Instrument [Line Items]    
Total debt 225,000 0
9.125% Senior Notes, due April 2018 (Issued April 25, 2012) [Member]
   
Debt Instrument [Line Items]    
Total debt 428,781 429,205
Term Loan [Member]
   
Debt Instrument [Line Items]    
Total debt $ 0 $ 50,000