Note 6. Long-Term Debt and Other Financial Instruments (Details) - Carrying value of long-term debt: (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Term loan:
Carrying value	$ 556,655	$ 553,187
Capital lease liability	4	12
Term Loan [Member]
Term loan:
Face value	301,537	301,537
Remaining original issue discount	(29,891)	(32,058)
Remaining warrant discount	(11,201)	(12,013)
Carrying value	260,445	257,466
Senior Notes [Member]
Term loan:
Face value	299,800	299,800
Remaining original issue discount	(3,594)	(4,091)
Carrying value	$ 296,206	$ 295,709

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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