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Leases

12 Months Ended

Dec. 31, 2011

(9)

Leases

The future minimum lease payments under all noncancelable leases at December 31, 2011, principally for trailing equipment, are shown in the following table (in thousands):


	Capital Leases		Operating Leases
2012	$	18,553	$	2,661
2013		11,574		1,816
2014		10,851		1,275
2015		8,574		804
2016		5,863		617
Thereafter		—		1,120

		55,415	$	8,293

Less amount representing interest (2.3% to 5.9%)		3,073

Present value of minimum lease payments	$	52,342

Total rent expense, net of sublease income, was $1,238,000 in 2011, $356,000 in 2010 and $2,664,000 in 2009.

- 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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