Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Net sales	$ 109,399	$ 112,969	$ 333,736	$ 329,097
Cost of sales	90,304	95,824	280,226	278,294
Gross profit	19,095	17,145	53,510	50,803
Selling, general and administrative expenses	15,899	13,327	48,009	44,110
Goodwill impairment charge	78,609		78,609
Operating income (loss)	(75,413)	3,818	(73,108)	6,693
Interest expense, net	1,143	1,174	3,565	3,421
Income (loss) before income taxes and extraordinary item	(76,556)	2,644	(76,673)	3,272
Income tax expense (benefit)	(21,053)	819	(21,098)	1,070
Extraordinary gain, net of tax expense (note 14)				440
Net income (loss)	$ (55,503)	$ 1,825	$ (55,575)	$ 2,642
Basic
Income (loss) before extraordinary item (in Dollars per share)	$ (3.39)	$ 0.11	$ (3.39)	$ 0.13
Extraordinary gain, net of tax expense (in Dollars per share)				$ 0.03
Net income (loss) (in Dollars per share)	$ (3.39)	$ 0.11	$ (3.39)	$ 0.16
Weighted-average common shares outstanding (basic) (in Shares)	16,391	16,391	16,391	16,391
Diluted
Income (loss) before extraordinary item (in Dollars per share)	$ (3.39)	$ 0.11	$ (3.39)	$ 0.13
Extraordinary gain, net of tax expense (in Dollars per share)				$ 0.03
Net income (loss) (in Dollars per share)	$ (3.39)	$ 0.11	$ (3.39)	$ 0.16
Weighted-average common shares outstanding (diluted) (in Shares)	16,391	16,391	16,391	16,391