Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Schedule of Long-Term Debt) (Detail)

v2.4.0.6
Long-Term Debt (Schedule of Long-Term Debt) (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Jul. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Segment Reporting Information [Line Items]        
Term loan   $ 250,000    
Senior Notes 240,000   240,000 240,000
Unamortized original issue discount on Senior Notes     (889) (938)
Total long-term debt 250,000   239,111 308,903
Less: current maturities (6,250)     (69,841)
Long-term debt, net of current maturities 243,750   239,111 239,062
Secured credit agreement terminated April 24, 2012 [Member]
       
Segment Reporting Information [Line Items]        
Term loan       69,841
Revolving credit facility           
Secured credit agreement expiring April 24, 2017 [Member]
       
Segment Reporting Information [Line Items]        
Term loan 250,000      
Revolving credit facility           
11.25% Senior Notes Due August 1, 2016 [Member]
       
Segment Reporting Information [Line Items]        
Senior Notes     $ 240,000 $ 240,000