Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Additional Information (Detail)

v2.4.0.8
Long-Term Debt - Additional Information (Detail) (USD $)
0 Months Ended 3 Months Ended 9 Months Ended 0 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 9 Months Ended 0 Months Ended 9 Months Ended 0 Months Ended 0 Months Ended 1 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended
Jan. 22, 2014
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Jul. 30, 2013
Unsecured Debt [Member]
Sep. 30, 2014
Unsecured Debt [Member]
Sep. 30, 2013
Secured Debt [Member]
Mar. 31, 2014
Secured Debt [Member]
Sep. 30, 2014
Secured Debt [Member]
Jan. 22, 2014
Secured Debt [Member]
Dec. 14, 2012
Secured Debt [Member]
Sep. 30, 2014
Revolving Credit Facility [Member]
Dec. 31, 2013
Revolving Credit Facility [Member]
Sep. 30, 2014
6.75% Senior Notes, due July 2022 [Member]
Jan. 22, 2014
6.75% Senior Notes, due July 2022 [Member]
Dec. 31, 2013
6.75% Senior Notes, due July 2022 [Member]
Apr. 03, 2014
9.125% Senior Notes, due April 2018 [Member]
Jan. 22, 2014
9.125% Senior Notes, due April 2018 [Member]
Jan. 07, 2014
9.125% Senior Notes, due April 2018 [Member]
Sep. 30, 2014
9.125% Senior Notes, due April 2018 [Member]
Apr. 02, 2014
9.125% Senior Notes, due April 2018 [Member]
Dec. 31, 2013
9.125% Senior Notes, due April 2018 [Member]
Jul. 30, 2013
9.125% Senior Notes, due April 2018 [Member]
Mar. 22, 2010
9.125% Senior Notes, due April 2018 [Member]
Sep. 30, 2014
7.50% Senior Notes, due August 2020 [Member]
Dec. 31, 2013
7.50% Senior Notes, due August 2020 [Member]
Jul. 30, 2013
7.50% Senior Notes, due August 2020 [Member]
Mar. 22, 2010
9.625% Senior Notes due 2013 [Member]
Sep. 30, 2014
9.625% Senior Notes due 2013 [Member]
Mar. 22, 2010
Senior secured revolving credit facility (Revolver) [Member]
Apr. 30, 2012
9.125% Senior Notes, due April 2018 (Issued April 25, 2012) [Member]
Apr. 25, 2012
9.125% Senior Notes, due April 2018 (Issued April 25, 2012) [Member]
Sep. 30, 2014
Term Note [Member]
Sep. 30, 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]
Apr. 18, 2013
Secured Debt [Member]
Goldman Term Loan [Member]
Apr. 18, 2013
ITS [Member]
Sep. 30, 2014
ITS [Member]
Sep. 30, 2014
ITS [Member]
Term Note Due April 2018 [Member]
Mar. 31, 2014
ITS [Member]
Term Note Due April 2018 [Member]
Jul. 30, 2013
ITS [Member]
Term Note Due April 2018 [Member]
Debt Instrument [Line Items]                                                                                        
Aggregate principal amount                                 $ 360,000,000.0                 $ 300,000,000.0     $ 225,000,000.0         $ 125,000,000.0         $ 125,000,000          
Percentage of notes guaranteed by restricted subsidiaries                               6.75% 6.75%         9.125%   9.125% 9.125%   7.50% 7.50% 7.50%   9.625%                     7.50%    
Tender Offer Price for Each 1000 Principal Amount                                           1,061.98                                            
Increase in the amount of term loan or revolving credit facility             45,000,000                                                                          
Deferred acquisition costs                                                                                   4,800,000 5,200,000 5,600,000
Redemption amount percentage of principal                                 35.00%                       35.00%                              
Debt instrument, Redemption Price Percent                                 106.75%                       107.50%                              
Redemption price                                             9,600,000.000                                          
Redemption price after year three                                 103.375%                       103.75%                              
Redemption price afer year five                                 101.00%                       101.00%                              
Par value of senior notes                                                                 104.00%                      
Repayments of debt                                                           225,000,000   42,000,000                        
Gross proceeds of aggregate principal amount additional issued                                                                 130,000,000                      
Debt issuance costs       7,600,000                                                                         5,400,000      
Debt issuance cost, Net of amortization       7,100,000                                                                                
Tender Offer Price per Note, Consent Payment                                         30.00                                              
Notional Amount of Nonderivative Instruments                                           1,000                                            
Payments of Debt Issuance Costs       7,630,000 10,981,000                             453,700,000                                                
Senior secured credit facility                         80,000,000.0                                                              
Line Of Credit Facility Additional Borrowing Capacity                 45.0                                                                      
Line Of Credit Facility Quarterly Decrease in Borrowing Capacity                   2,500,000                                                                    
Proceeds from issuance of term note                                                                               225,000,000        
Payments of debt extinguishment costs       26,214,000 0                                                                              
Maturity of credit facility                           Dec. 14, 2017                                                            
Variation in applicable rate for LIBOR Rate Loan                           2.50%                                                            
Variation in applicable rate for LIBOR Rate Loan                           3.00%                                                            
Variation in applicable rate for Base Rate Loan                           1.50%                                                            
Variation in applicable rate for Base Rate Loan                           2.00%                                                            
Revolving loan outstanding               32,500,000       40,000,000   0 0                                                          
Repayments of long term debt       425,000,000 125,000,000                             416,200,000                                                
Debt Instrument Accrued Interest                                       11,700,000                                                
Unsolicited Tender Offer Costs 25,800,000                                                                                      
Senior Notes                                             8,800,000                                          
Redemption Premium                                     400,000                                                  
Write off of Deferred Debt Issuance Cost   7,700,000                                                                                    
Amortization of Debt Discount (Premium)   (3,800,000)                                                                                    
Interest Expense   10,848,000 13,127,000 33,486,000 33,874,000                           400,000                                                  
Loss on extinguishment of debt   0 (5,218,000) (30,152,000) (5,218,000)                                                                              
Letters of credit outstanding                           6,400,000 4,600,000                                                          
Long-term Debt   617,500,000   617,500,000   653,781,000                   360,000,000   0       0   428,781,000     225,000,000 225,000,000               32,500,000 0 50,000,000       125,000,000    
Principal payments                                                                     $ 2,500,000                  
Base rate plus                     2.00%                                                                  
LIBOR plus                     3.00%