Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2014	Mar. 30, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 26,701	$ 33,486
Investments available-for-sale	15,435	13,843
Trade receivables — less allowance for doubtful accounts: $402 as of September 28, 2014 and $477 as of March 30, 2014	35,598	37,946
Inventories	37,292	26,192
Prepaid expenses and other current assets	1,704	3,160
Total current assets	116,730	114,627
PROPERTY, PLANT AND EQUIPMENT:
Property, plant and equipment	164,597	158,875
Less accumulated depreciation and amortization	(73,319)	(68,406)
Net property, plant, and equipment	91,278	90,469
Goodwill	7,392	7,392
Intangible assets — less accumulated amortization: $3,434 as of September 28, 2014 and $3,069 as of March 30, 2014	8,144	8,509
Long-term investments	19,464	15,852
Other	218	344
Total other assets	35,218	32,097
Total assets	243,226	237,193
CURRENT LIABILITIES:
Accounts payable	18,691	18,306
Dividends payable	4,033	3,823
Accrued payroll and employee benefits	5,341	5,555
Deferred income taxes	2,900	2,900
Income tax payable	829	1,444
Other current liabilities	3,666	3,801
Total current liabilities	35,460	35,829
PENSION WITHDRAWAL LIABILITY	6,739	6,887
OTHER LONG-TERM LIABILITIES	742	1,878
DEFERRED INCOME TAXES	10,194	10,186
Total liabilities	53,135	54,780
COMMITMENTS AND CONTINGENCIES	0	0
SHAREHOLDERS’ EQUITY:
Common stock; authorized: 30,000,000 shares of $0.05 par value; 10,560,543 and 10,562,400 shares issued and outstanding as of September 28, 2014 and March 30, 2014, respectively	528	528
Additional paid-in capital	50,033	50,502
Retained earnings	139,561	131,427
Accumulated other comprehensive loss	(31)	(44)
Total shareholders’ equity	190,091	182,413
Total liabilities and shareholders’ equity	$ 243,226	$ 237,193