Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 29, 2014	Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 6,021	$ 5,112
Reconciliation to cash flows:
Depreciation and amortization	2,984	3,316
Deferred income taxes	0	277
Stock compensation expense	405	251
(Gain) loss from property disposals	(4)	26
Changes in operating accounts providing (using) cash:
Trade receivables	(1,971)	(1,842)
Inventories	(8,129)	(7,057)
Accounts payable	3,763	2,176
Accrued liabilities	(1,695)	(852)
Income taxes	(688)	(604)
Other	738	507
Net cash provided by operating activities	1,424	1,310
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property, plant, and equipment	(3,298)	(4,063)
Purchases of investments	(8,798)	(9,136)
Sale and maturities of investments	4,520	4,345
Proceeds from property disposals	18	42
Net cash used in investing activities	(7,558)	(8,812)
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash dividends paid	(3,823)	(3,592)
Shares Surrendered for payroll taxes	295	485
Proceeds from the exercise of stock options	0	186
Excess tax benefit from share-based compensation	0	(225)
Shares repurchased	(1,431)	0
Net cash used in financing activities	(5,549)	(4,116)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(11,683)	(11,618)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	33,486	28,715
CASH AND CASH EQUIVALENTS, END OF PERIOD	21,803	17,097
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for income taxes	4,325	3,686
Noncash investing activities - Capital expenditures in accounts payable	$ 185	$ 785