CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 187,183	$ 168,109	$ 372,950	$ 330,093
Type of Revenue	us-gaap:ProductMember	us-gaap:ProductMember	us-gaap:ProductMember	us-gaap:ProductMember
Cost of goods sold	$ 127,845	$ 117,191	$ 251,456	$ 227,728
Type of Cost of Service	us-gaap:ProductMember	us-gaap:ProductMember	us-gaap:ProductMember	us-gaap:ProductMember
Gross profit	$ 59,338	$ 50,918	$ 121,494	$ 102,365
Selling, general and administrative expenses	46,404	42,221	92,499	83,839
Income from operations	12,934	8,697	28,995	18,526
Interest expense, net	3,310	4,153	7,214	8,253
Other income, net	3		14
Income before income taxes	9,627	4,544	21,795	10,273
Income tax expense/(benefit)	1,947	10	4,394	(1,022)
Net income	$ 7,680	$ 4,534	$ 17,401	$ 11,295
Earnings per share:
Basic shares (in dollars per share)	$ 0.27	$ 0.16	$ 0.61	$ 0.41
Diluted shares (in dollars per share)	$ 0.26	$ 0.16	$ 0.60	$ 0.39
Weighted average shares outstanding:
Basic shares	28,502	28,119	28,441	27,861
Diluted shares	29,161	28,875	29,091	28,721