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Warranty (Summary Of Accrued Warranty Obligation) (Details) (USD $) In Thousands	6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010
Warranty
Balance at the beginning of the year	$ 4,554	$ 3,813
Warranty expense	2,167	2,594
Warranty payments	(2,461)	(2,667)
Balance at the end of the period	$ 4,260	$ 3,740

- 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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