Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	May. 01, 2016	Apr. 26, 2015
Net sales	$ 131,145	$ 130,088
Cost of sales	52,621	51,688
Gross profit	78,524	78,400
Operating costs and expenses:
Selling, general and administrative	33,715	37,513
Product development and engineering	25,172	29,678
Intangible amortization	6,403	6,163
Changes in the fair value of contingent earn-out obligations	(33)	162
Total operating costs and expenses	65,257	73,516
Operating income	13,267	4,884
Interest expense, net	(1,930)	(1,834)
Non-operating expense, net	(45)	(493)
Income before taxes	11,292	2,557
Provision for taxes	4,405	2,699
Net income (loss)	$ 6,887	$ (142)
Earnings per share:
Basic (in dollars per share)	$ 0.11	$ 0.00
Diluted (in dollars per share)	$ 0.11	$ 0.00
Weighted average number of shares used in computing earnings per share:
Basic (in shares)	65,144	66,713
Diluted (in shares)	65,552	66,713