Note 8 - Guarantees and Other Obligations (Tables)

9 Months Ended

Sep. 24, 2016

Notes Tables

Schedule of Product Warranty Liability [Table Text Block]

	Three Months Ended						Nine Months Ended
	September 24,			September 26,			September 24,			September 26,
	2016			2015			2016			2015
Balance at beginning of period	$	5,118		$	5,212		$	4,886		$	5,848
Warranty expense accruals		1,320			1,867			4,586			5,062
Warranty payments		(1,401	)		(1,905	)		(4,435	)		(5,736	)
Balance at end of period	$	5,037		$	5,174		$	5,037		$	5,174