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Operating Leases
12 Months Ended
Dec. 31, 2011
Leases [Abstract]  
Operating Leases
OPERATING LEASES

The Company leases equipment and office space under long-term operating lease agreements. The future minimum lease payments on leases (with initial or remaining non-cancelable terms in excess of one year) as of December 31, 2011 are as follows:

 
Operating
 
(in thousands)
Years Ending December 31,
 
2012
$
3,453

2013
3,033

2014
2,626

2015
2,601

2016 and after
4,724

Total minimum lease payments
$
16,437


Rent expense for the years ended December 31, 2011, 2010 and 2009 was $4.8 million, $5.8 million and $5.9 million, respectively. Certain of our lease agreements may include items such as abated lease payments, capital improvement funding, step rent provisions and escalation clauses that affect the lease payment schedule and do not qualify as contingent rentals. These items have been included in the minimum lease payment amount on a straight-line basis over the minimum lease term. Any lease payments that are dependent on a factor related to the future use of the property have been excluded from the minimum lease payment amount and are recognized as incurred.