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Note 15. Commitments and Contingencies (Detail) (USD $)	1 Months Ended
	Nov. 30, 2012	Jul. 01, 2012	Sep. 30, 2012	Jan. 01, 2012
Cost Method Investments Ownership Percentage			10.00%
Cost-method Investments, Aggregate Carrying Amount			$ 20,161,000	$ 15,706,000
Loss Contingency, Damages Sought, Value		25,000
Litigation Settlement, Gross	2,200,000
Total Cost [Member]
Cost-method Investments, Aggregate Carrying Amount			$ 20,200,000

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- Definition

This element represents the aggregate carrying amount of all cost-method investments held by the Company. Generally, such investments do not have readily determinable fair values and are not required to be accounted for by the equity method. The carrying amount of such securities equates to cost, adjusted for other-than-temporary impairment. The cost method and lower-of-cost or market, an adaptation of the cost method, is generally followed for most investments in noncontrolled corporations, in some corporate joint ventures, and to a lesser extent in unconsolidated subsidiaries, particularly foreign.

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No definition available.

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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