CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income (loss)	$ (20,594)	$ 3,278	$ (24,882)	$ 7,423
Other comprehensive income (loss), net of tax
Pension liability adjustment, net of tax of $182:	0	0	(278)	0
Unrealized losses on derivative instruments
Unrealized gains (losses) on derivative instruments, net of tax of $9 for the three months ended September 30, 2012 and $34 and $185 for the nine months ended September 30, 2012 and 2011, respectively.	(14)	0	(51)	282
Other comprehensive income (loss), net of tax	(14)	0	(329)	282
Comprehensive income (loss)	$ (20,608)	$ 3,278	$ (25,211)	$ 7,705