Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Schedule Of Long-Term Debt) (Details)

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Long-Term Debt (Schedule Of Long-Term Debt) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Debt Disclosure [Abstract]    
Senior notes $ 216,429 $ 227,143
Revolving credit facility 0 10,000
Capitalized lease and other obligations 2,904 3,264
Total long-term debt 219,333 240,407
Less: Current maturities (38,619) (38,978)
Total maturities due after one year $ 180,714 $ 201,429