Note 9. Credit Facilities and Capital Leases (Detail) - Annual maturities of capital lease commitments (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
2013	$ 4,460
2014	4,267
2015	3,668
2016	1,984
2017	10
Total	14,389
Less: imputed interest	(783)
Net capital lease obligation	$ 13,606	$ 10,300

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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