Guarantees (Tables)

3 Months Ended

Mar. 28, 2015

Commitments and Contingencies Disclosure [Abstract]

Changes in Accrued Warranty

Changes in accrued warranty were as follows (in thousands):

	Three Months Ended
	March 28,			March 29,
	2015			2014
Balance at beginning of period	$	6,184		$	5,155
Warranty expense accruals		1,439			1,039
Warranty payments		(1,891	)		(1,378	)
Balance at end of period	$	5,732		$	4,816