Note 10. Derivative Instruments (Detail) - Interest Rate Swap (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2011
Loss reclassified from accumulated other comprehensive loss to interest expense	$ 1,967
Loss recognized in interest expense related to the ineffective portion	$ 213

The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

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Net of tax effect of the reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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