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Debt - Additional Information (Details) (USD $)
12 Months Ended 0 Months Ended 2 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended 0 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Jan. 23, 2013
Senior Notes
Feb. 22, 2013
Senior Notes
Jan. 21, 2013
Senior Notes
Feb. 01, 2012
Senior Notes
Jan. 21, 2013
Senior Notes Prior to February 1, 2016
Jan. 21, 2013
Senior Notes Before February First, 2018
Oct. 22, 2010
Senior Notes Due 2018
Oct. 22, 2010
Senior Notes Due 2018
Senior Notes Before November 1, 2014
Dec. 31, 2009
Senior Notes Due 2016
Jun. 30, 2009
Senior Notes Due 2016
Dec. 31, 2010
Senior Notes Due 2016
Senior Notes Prior to June 15, 2013
Jan. 23, 2013
Senior Notes Due Twenty Twenty-Three [Member]
Senior Notes Prior to February 1, 2016
Maximum
Nov. 26, 2008
Revolving Credit Facility
Dec. 31, 2013
Revolving Credit Facility
Dec. 31, 2013
Revolving Credit Facility
Minimum
Dec. 31, 2013
London Interbank Offered Rate (LIBOR) [Member]
Revolving Credit Facility
Dec. 31, 2013
London Interbank Offered Rate (LIBOR) [Member]
Revolving Credit Facility
Minimum
Dec. 31, 2013
London Interbank Offered Rate (LIBOR) [Member]
Revolving Credit Facility
Maximum
Dec. 31, 2013
Federal Fund Rate [Member]
Revolving Credit Facility
Maximum
Dec. 31, 2013
Base Rate [Member]
Revolving Credit Facility
Minimum
Dec. 31, 2013
Base Rate [Member]
Revolving Credit Facility
Maximum
Debt Instrument [Line Items]                                                
Debt instrument, principal amount           $ 275,000,000       $ 375,000,000     $ 150,000,000                      
Debt instrument, maturity date                   Nov. 01, 2018   Jun. 15, 2016                        
Debt instrument, interest rate             4.50%     7.125%     10.625%                      
Proceeds from long-term debt 275,000,000 0 0 271,000,000           367,500,000                            
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed                             35.00%                  
Redemption Price         100.00%     104.50% 100.00%   100.00%     100.00%                    
Debt instrument, price                         98.792%                      
Debt instrument principal amount redeemed         166,000,000                                      
Gain (loss) on extinguishment of debt (17,058,000) 0 0   12,600,000                                      
Accrued interest 9,691,000 5,242,000     3,000,000                                      
Credit facility, maximum borrowing capacity                               125,000,000 125,000,000              
Amount available as percentage of eligible accounts receivable                                 85.00%              
Amount available as percentage of eligible inventories                                 65.00%              
Earliest extended term of revolving loan                               Sep. 30, 2016                
Outstanding stand by letters of credit                                 6,600,000              
Interest rate spread                                     1.75% 1.75% 2.25% 0.50% 1.25% 1.75%
Credit facility available to draw                                 $ 118,400,000              
Percentage of availability triggers covenant requirement under credit facility                                 12.50%              
Debt covenant, actual fixed charge ratio                                 2.5 1.0