Note 7. Employee Benefits (Detail) - Components of net periodic benefit cost reclassified out of Accumulated Other Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013
Amortization of prior-service cost	$ 25
Amortization of net loss	1,900
Total reclassifications	$ 1,925

Net of tax amount of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost.

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