The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph g

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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The amount of cash or cash equivalents contributed by the entity to fund its pension plans.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 230

-SubTopic 10

-Section 45

-Paragraph 25

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Note 5. Benefit Plans (Detail) (USD $) Share data in Thousands, unless otherwise specified	9 Months Ended				3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2013	Dec. 31, 2011	Mar. 31, 2012 Additonal Contribution Requirement [Member]	Sep. 30, 2012 Required Contributions [Member]	Dec. 31, 2012 Required Contributions [Member]
Pension Contributions					$ 390,000	$ 500,000	$ 890,000
Defined Benefit Plan, Funded Percentage				80.00%
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year			360,000
Stock Issued During Period, Shares, Employee Benefit Plan (in Shares)	175	91
Stock Issued During Period, Value, Employee Benefit Plan	$ 220,000	$ 197,000