Registration of securities issued in business combination transactions

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
Mar. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Mar. 31, 2014
6.75% Senior Notes, due July 2022 [Member]
Dec. 31, 2013
6.75% Senior Notes, due July 2022 [Member]
Mar. 31, 2014
7.50% Senior Notes, due August 2020 [Member]
Dec. 31, 2013
7.50% Senior Notes, due August 2020 [Member]
Dec. 31, 2012
7.50% Senior Notes, due August 2020 [Member]
Mar. 31, 2014
9.125% Senior Notes, due April 2018 [Member]
Dec. 31, 2013
9.125% Senior Notes, due April 2018 [Member]
Dec. 31, 2012
9.125% Senior Notes, due April 2018 [Member]
Mar. 31, 2014
Term Note Due December 2017 [Member]
Dec. 31, 2013
Term Note Due December 2017 [Member]
Dec. 14, 2012
Term Note Due December 2017 [Member]
Dec. 31, 2013
Term Loan [Member]
Dec. 31, 2012
Term Loan [Member]
Debt Instrument [Line Items]                                
Total debt $ 631,375 $ 653,781 $ 479,205 $ 360,000 $ 0 $ 225,000 $ 225,000 $ 0 $ 8,875 $ 428,781 $ 429,205 $ 37,500 $ 0 $ 50,000 $ 0 $ 50,000
Less current portion 18,801 25,000 10,000                          
Total long-term debt $ 612,574 $ 628,781 $ 469,205