Current Liabilities (Tables)

9 Months Ended

Oct. 01, 2016

Accounts Payable and Accrued Liabilities, Current [Abstract]

Deferred Revenue, by Arrangement, Disclosure

Changes in our deferred service revenue were as follows:

	Three Months Ended						Nine Months Ended
(In thousands)	October 1, 2016			October 3, 2015			October 1, 2016			October 3, 2015
Balance, beginning of the period	$	4,102		$	4,767		$	4,011		$	5,233
Additions	1,034			626			2,933			2,848
Revenue recognized	(793		)	(893		)	(2,601		)	(3,581		)
Balance, end of the period	$	4,343		$	4,500		$	4,343		$	4,500
Balance sheets classification
Deferred service income-short term	$	3,290		$	4,393
Deferred service income-long term	1,053			107
Balance, end of the period	$	4,343		$	4,500

Schedule of Accrued Liabilities

Other current liabilities consisted of the following:

(In thousands)	October 1, 2016		December 31, 2015
Salaries and benefits	$	11,030	$	6,417
Warranty accrual	1,808		1,586
Advanced billings	581		543
Capital lease, current portion	716		831
Other	2,889		2,769
Balance, end of the period	$	17,024	$	12,146

Schedule of Product Warranty Liability

Changes in our warranty accrual were as follows:

	Three Months Ended						Nine Months Ended
(In thousands)	October 1, 2016			October 3, 2015			October 1, 2016			October 3, 2015
Balance, beginning of the period	$	1,775		$	1,766		$	1,586		$	1,501
Liabilities accrued for warranties issued	573			356			1,896			1,419
Warranty claims paid and utilized	(613		)	(688		)	(1,621		)	(1,806		)
Changes in accrued warranty liabilities	73			163			(53		)	483
Balance, end of the period	$	1,808		$	1,597		$	1,808		$	1,597