Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments And Contingencies [Abstract]

Schedule Of Future Minimum Lease Payments Under Non-Cancelable Operating Leases

Year ended December 31,
2012	4,369
2013	3,779
2014	3,227
2015	3,042
2016	2,404
Thereafter	2,217