Lease Obligations

12 Months Ended

Dec. 31, 2012

10. Lease Obligations

The Company leases office space and computer hardware under noncancelable long-term operating leases. Most leases include renewal options of at least three years. Minimum future operating lease obligations at December 31, 2012 are as follows (U.S. dollars in thousands):

Year Ending December 31,

2013	$	17,309
2014		9,474
2015		5,353
2016		2,261
2017		1,519
Thereafter		1,695
Total	$	37,611

Rental expense for operating leases totaled $28.8 million, $25.8 million and $27.7 million for the years ended December 31, 2010, 2011 and 2012, respectively.

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- Definition

The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.

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