Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Apr. 01, 2012
Income Statement [Abstract]
Sales	$ 348,263	$ 350,387	$ 343,834
Cost of sales	(286,663)	(286,241)	(277,966)
Pension withdrawal	0	(7,210)	0
Gross profit	61,600	56,936	65,868
Selling, general and administrative expenses	(33,510)	(31,606)	(30,759)
Operating income	28,090	25,330	35,109
Interest Income (Expense), Net	(29)	84	145
Income from continuing operations before income taxes	28,061	25,414	35,254
Income tax provision	(9,967)	(8,306)	(13,626)
Income from continuing operations	18,094	17,108	21,628
Income from discontinued operations, net of tax	0	18	1,057
Net income	$ 18,094	$ 17,126	$ 22,685
Weighted average number of shares outstanding-basic (shares)	10,544,467	10,464,820	10,339,391
Weighted average number of shares outstanding-diluted (shares)	10,599,755	10,541,142	10,408,573
Basic earnings per share:
Earnings per share from continuing operations (usd per share)	$ 1.72	$ 1.64	$ 2.09
Earnings per share from discontinued operations (usd per share)	$ 0.00	$ 0.00	$ 0.10
Basic earnings per share (usd per share)	$ 1.72	$ 1.64	$ 2.19
Diluted earnings per share
Earnings per share from continuing operations (usd per share)	$ 1.71	$ 1.62	$ 2.08
Earnings per share from discontinued operations (usd per share)	$ 0.00	$ 0.00	$ 0.10
Diluted earnings per share (usd per share)	$ 1.71	$ 1.62	$ 2.18
Cash dividends declared per common share (usd per share)	$ 0.72	$ 0.68	$ 0.64