Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Consolidated Statements of Operations [Abstract]
Sales	$ 61,067	$ 54,569
Costs and expenses
Cost of sales	43,869	40,433
Selling, general and administrative expenses	18,570	19,559
Interest (income) expense, net	(53)	43
Other expense, net	14	18
Total costs and expenses	62,400	60,053
Loss from continuing operations before income taxes	(1,333)	(5,484)
Income tax benefit	(466)	(2,037)
Loss from continuing operations	(867)	(3,447)
Loss from discontinued operations, net of tax	(37)	(4,122)
Net loss	$ (904)	$ (7,569)
Basic and diluted net loss per common share:
Continuing operations	$ (0.09)	$ (0.35)
Discontinued operations	$ 0.00	$ (0.42)
Total	$ (0.09)	$ (0.78)
Weighted average basic and diluted shares outstanding	9,642	9,735
Cash dividends per share of common stock	$ 0.15	$ 0.15