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Note 8. Employee Benefit Plans (Detail) - Amounts Recognized in the Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | ---
Other non- current liabilities: |  |
Accrued benefit liability | $ (2,040) |
Pension Benefits [Member] |  |
Other non-current assets: |  |
Prepaid benefit costs |  | 1,438
Current liabilities: |  |
Accrued benefit liability | (330) | (323)
Other non- current liabilities: |  |
Accrued benefit liability | (22,484) | (7,577)
Accumulated other comprehensive (income) loss | 30,747 | 17,859
Net amount recognized | 7,933 | 11,397
Other Benefits [Member] |  |
Current liabilities: |  |
Accrued benefit liability | (52) | (54)
Other non- current liabilities: |  |
Accrued benefit liability | (1,620) | (1,375)
Accumulated other comprehensive (income) loss | (269) | (395)
Net amount recognized | $ (1,941) | $ (1,824)

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- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The pretax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph i -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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