Note 13. Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Product Warranty Liability [Table Text Block]

	Three Months Ended
	March 31, 2013			March 25, 2012
	(in thousands)
Balance at beginning of period	$	2,124		$	2,537
Provision for warranties issued		296			1,517
Settlements made		(806	)		(187	)
Changes in liability for pre-existing warranties during the period		(36	)		(73	)
Balance at end of period	$	1,578		$	3,794