Note 8 - Guarantees (Tables)

6 Months Ended

Jun. 27, 2015

Notes Tables

Schedule of Product Warranty Liability [Table Text Block]

	Three Months Ended						Six Months Ended
	June 27,			June 28,			June 27,			June 28,
	2015			2014			2015			2014
Balance at beginning of period	$	5,351		$	4,408		$	5,848		$	4,673
Warranty expense accruals		1,928			1,065			3,195			2,242
Warranty payments		(2,067	)		(1,229	)		(3,831	)		(2,671	)
Balance at end of period	$	5,212		$	4,244		$	5,212		$	4,244