Debt (Tables)

3 Months Ended

Mar. 31, 2012

Debt [Abstract]

Schedule Of Obligations Under Debt Arrangements

	March 31, 2012		December 31, 2011
Senior secured credit facility	$	438,200	$	409,300
7.875% senior unsecured notes (including unamortized premium of $981 and $0 in 2012 and 2011, respectively)		350,981		250,000
Total long-term debt	$	789,181	$	659,300