Note 9. Credit Facilities and Capital Leases (Detail) - Annual maturities of capital lease commitments (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
2013	$ 4,436
2014	4,918
2015	4,091
2016	2,079
2017	5
Total	15,529
Less: imputed interest	(830)
Net capital lease obligation	$ 14,699	$ 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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