Long-Term Debt (Schedule Of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2011	Dec. 31, 2010
Senior subordinated notes, interest rate	8.00%
Total debt	$ 226,998	$ 207,197
Less current maturities	408	408
Total long-term debt	226,590	206,789
Senior Subordinated 8% Notes, Due December 1, 2015 [Member]
Senior subordinated notes, interest rate	8.00%
Total debt	202,144	201,973
Unamortized discount	1,856	2,027
Other Debt [Member]
Total debt	4,854	5,224
Revolving Credit Facility [Member]
Total debt	$ 20,000

Interest rate stated in the contractual debt agreement.

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