Earning Per Share-Basic (detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Basic
Net Earnings (Loss)	$ (578)	$ 6,603	$ (685)	$ 7,950
Deduct preferred stock dividends	6	6	12	12
Undistributed Earnings, Basic	(584)	6,597	(697)	7,938
Undistributed Earnings Allocated to Participating Securities	(8)	210	(13)	253
Earnings (Loss) Attributable to Common Stock	$ (576)	$ 6,387	$ (684)	$ 7,685
Weighted Average Number of Shares Outstanding, Basic	10,774	10,748	10,787	10,750
Basic earnings (loss) per common share	$ (0.05)	$ 0.59	$ (0.06)	$ 0.71