Fair Value of Financial Instruments (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Carrying Amount | Revolving Credit Facility
Debt
Debt	$ 0	$ 0
Carrying Amount | 2011 Term Loan A
Debt
Debt	400,306	756,974
Carrying Amount | 2011 Term Loan B
Debt
Debt	968,100	1,127,770
Carrying Amount | 9.875% Senior Notes
Debt
Debt	496,733	496,510
Carrying Amount | 8.50% Senior Notes
Debt
Debt	450,000
Carrying Amount | 9.50% senior secured notes due 2019
Debt
Debt	447,413
Fair Value | 2011 Term Loan A
Debt
Debt	395,386	758,867
Fair Value | 2011 Term Loan B
Debt
Debt	941,497	1,135,293
Fair Value | 9.875% Senior Notes
Debt
Debt	435,000	500,000
Fair Value | 8.50% Senior Notes
Debt
Debt	373,500
Fair Value | 9.50% senior secured notes due 2019
Debt
Debt	$ 465,188