Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Sep. 27, 2015	Sep. 28, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 12,469	$ 12,168
Reconciliation to cash flows:
Depreciation and amortization	6,950	6,071
Stock compensation expense	869	767
Loss (gain) from property disposals	4	(47)
Changes in operating accounts providing (using) cash:
Trade receivables	3,040	2,348
Inventories	(4,173)	(11,100)
Accounts payable	(121)	50
Accrued liabilities	(1,316)	(1,633)
Income taxes	1,908	(615)
Other	895	1,582
Net cash provided by operating activities	20,525	9,591
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant, and equipment	(9,669)	(6,242)
Purchases of investments	(4,873)	(12,409)
Sale and maturities of investments	9,330	7,225
Acquisition	(4,450)	0
Other	(56)	108
Net cash used in investing activities	(9,718)	(11,318)
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash dividends paid	(4,038)	(3,823)
New shares issued	530	491
Shares surrendered for payroll taxes	(379)	(295)
Shares repurchased	(4,801)	(1,431)
Net cash used in financing activities	(8,688)	(5,058)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	2,119	(6,785)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	18,639	33,486
CASH AND CASH EQUIVALENTS, END OF PERIOD	20,758	26,701
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for income taxes	5,981	7,945
Noncash investing activities - Capital expenditures in accounts payable	$ 1,406	$ 1,035