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Note 17. Commitments and Contingencies (Detail) (USD $)	1 Months Ended			12 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Jul. 01, 2012	Dec. 30, 2012	Jan. 01, 2012	Dec. 30, 2012 Total Cost [Member]	Sep. 30, 2012 Original Cost [Member]
Loss On Termination Of Lease		$ 3,300,000
Operating Leases, Rent Expense					400,000
Cost Method Investments Ownership Percentage				10.00%
Cost-method Investments, Aggregate Carrying Amount				20,161,000	15,706,000	20,200,000
Cost Method Investment Future Investments Into Equity				4,900,000
Cost Method Investment Initial Payment							2,800,000
Loss Contingency, Damages Sought, Value			25,000
Litigation Settlement, Gross	$ 2,200,000

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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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Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

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This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period.

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

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