Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2012

Commitments and Contingencies

Schedule of future minimum annual lease payments, and sublease rental income

(In thousands of dollars)	Future Minimum Lease Payments		Sublease Rental Income		Net Lease Payments
2012 (remaining)	$	4,658	$	993	$	3,665
2013	8,661		1,812		6,849
2014	6,938		860		6,078
2015	6,356		502		5,854
2016	5,332		—		5,332
Thereafter	44,397		—		44,397
Total	$	76,342	$	4,167	$	72,175