Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v2.4.0.8
Subsequent Events (Details) (USD $)
12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Jul. 30, 2013
Term Loan [Member]
Dec. 31, 2013
9.125% Senior Notes, due April 2018 (Issued April 25, 2012) [Member]
Dec. 31, 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]
Dec. 31, 2013
9.125% Senior Notes, due April 2018 (Issued March 22, 2010) [Member]
Mar. 22, 2010
9.125% Senior Notes, due April 2018 (Issued March 22, 2010) [Member]
Jan. 22, 2014
Subsequent Event [Member]
Jan. 22, 2014
Subsequent Event [Member]
6.75 Percent Senior Notes, due July 15, 2022 [Member]
Jan. 22, 2014
Subsequent Event [Member]
Term Loan [Member]
Jan. 22, 2014
Subsequent Event [Member]
9.125% Senior Notes, due April 2018 (Issued April 25, 2012) [Member]
Jan. 07, 2014
Subsequent Event [Member]
9.125% Senior Notes, due April 2018 (Issued April 25, 2012) [Member]
Jan. 22, 2014
Subsequent Event [Member]
Tendered Bonds [Member]
Jan. 22, 2014
Subsequent Event [Member]
7.50 % Senior Notes [Member]
Prior to August1, 2016 [Member]
Jan. 22, 2014
Subsequent Event [Member]
7.50 % Senior Notes [Member]
On and after August 1, 2016 [Member]
Subsequent Event [Line Items]                                  
Aggregate principal amount             $ 125,000,000.0   $ 300,000,000.0   $ 360,000,000.0       $ 416,200,000.0    
Debt instrument fixed interest rate         9.125% 9.125%     9.125%   6.75%   9.125% 9.125%      
Revolving loan outstanding                   40,000,000              
Repayments of long-term debt 125,000,000 0 0 45,000,000                 416,200,000        
Tender offer price for each 1000 principal amount                     1,061.98     1,061.98      
Tender offer price per note, consent payment                     30.00     30.00      
Unit for which the tender offer price is calculated                     1,000.00            
Payments of debt issuance costs 11,172,000 4,859,000 504,000                       453,700,000    
Tender offer costs                             25,800,000    
Accrued interest                             11,700,000    
Notes paid off                         8,800,000        
Percentage of redemption price after notice               104.563%                  
Debt issuance costs                     7,100,000            
Periodic payment, quarterly                       $ 2,500,000          
Percentage of the aggregate principal amount redeemed                               35.00%  
Percentage of redemption price before notice                               106.75% 10337.50%
Percentage of repurchase               101.00%                 10100.00%