Quarterly report pursuant to Section 13 or 15(d)

Repurchased and Redemptions of Nine and Five-Eighths Percent Notes (Detail)

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Repurchased and Redemptions of Nine and Five-Eighths Percent Notes (Detail) (9 5/8% Senior Secured Second Lien Notes, USD $)
In Thousands, unless otherwise specified
Mar. 14, 2013
Dec. 12, 2012
Jun. 01, 2012
Dec. 12, 2011
Sep. 06, 2011
Jun. 01, 2011
Dec. 01, 2010
Jun. 01, 2010
9 5/8% Senior Secured Second Lien Notes
                
Debt Instrument [Line Items]                
Principal Redeemed/Repurchased $ 212,597 $ 4,000 $ 17,500 $ 12,500 $ 5,000 $ 17,500 $ 12,500 $ 17,500
Premium Paid 22,650 120 525 375 144 525 375 525
Unamortized Discount 837 17 80 62 26 93 70 105
Bond issue costs $ 2,867 $ 57 $ 287 $ 337 $ 135 $ 472 $ 334 $ 417