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PRODUCT WARRANTIES (Schedule of Product Warranty Liability) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2011	Jan. 01, 2011
Product Warranties [Roll Forward]
Warranty accrual as of the beginning of the period	$ 1,273	$ 903
Warranty provision	1,897	886
Warranty spending	(1,680)	(1,188)
Warranty accrual as of the end of the period	$ 1,490	$ 601

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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