Repurchased and Redemptions of Terminated Nine and Five-Eighths Percent Notes (Detail) (Terminated 95/8% Senior Secured Second Lien Notes, USD $) In Thousands, unless otherwise specified	Jun. 03, 2013	Mar. 14, 2013	Dec. 12, 2012	Jun. 01, 2012	Dec. 12, 2011	Sep. 06, 2011	Jun. 01, 2011	Dec. 01, 2010	Jun. 01, 2010
Terminated 95/8% Senior Secured Second Lien Notes
Debt Instrument [Line Items]
Principal Redeemed/Repurchased	$ 903	$ 212,597	$ 4,000	$ 17,500	$ 12,500	$ 5,000	$ 17,500	$ 12,500	$ 17,500
Premium Paid	27	22,650	120	525	375	144	525	375	525
Unamortized Discount	3	837	17	80	62	26	93	70	105
Bond Issue Costs		$ 2,867	$ 57	$ 287	$ 337	$ 135	$ 472	$ 334	$ 417