Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.6
Long-Term Debt (Schedule Of Long-Term Debt) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2012
Debt Instrument [Line Items]      
Secured credit $ 250,000 $ 250,000 $ 0
11.25% Senior Notes due August 1, 2016 redeemed August 1, 2012 0 0 240,000
Unamortized original issue discount on Senior Notes 0 0 (840)
Total long-term debt 250,000 250,000 239,160
Less: current maturities (12,500) (9,375) 0
Long-term debt, net of current maturities 237,500 240,625 239,160
Secured Credit Agreement Terminated April 24, 2012 [Member] | Term Loan [Member]
     
Debt Instrument [Line Items]      
Secured credit 0 0 0
Secured Credit Agreement Terminated April 24, 2012 [Member] | Revolving Credit Facility [Member]
     
Debt Instrument [Line Items]      
Secured credit 0 0 0
Secured Credit Agreement Expiring April 24, 2017 [Member] | Term Loan [Member]
     
Debt Instrument [Line Items]      
Secured credit 250,000 250,000 0
Secured Credit Agreement Expiring April 24, 2017 [Member] | Revolving Credit Facility [Member]
     
Debt Instrument [Line Items]      
Secured credit $ 0 $ 0 $ 0