CONSOLIDATED INCOME STATEMENTS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010
SALES	$ 1,045,195	$ 1,054,040	$ 990,861
COST OF SALES	801,088	795,991	770,075
Gross profit	244,107	258,049	220,786
SELLING EXPENSES	90,765	91,626	91,378
GENERAL AND ADMINISTRATIVE EXPENSES	105,529	95,185	88,091
GOODWILL IMPAIRMENT CHARGE	1,984		6,134
OTHER CHARGES	18,786	(1,945)	7,210
OTHER EXPENSE	294	237	357
Operating income	26,749	72,946	27,616
INTEREST EXPENSE	6,387	7,713	9,773
INTEREST INCOME	(96)	(101)	(181)
Income before taxes	20,458	65,334	18,024
INCOME TAX EXPENSE	6,356	23,922	3,936
Net income	$ 14,102	$ 41,412	$ 14,088
BASIC EARNINGS PER SHARE (in dollars per share)	$ 1.33	$ 3.63	$ 1.26
DILUTED EARNINGS PER SHARE (in dollars per share)	$ 1.32	$ 3.57	$ 1.23
SHARES USED TO COMPUTE EARNINGS PER SHARE
Basic (in shares)	10,592	11,416	11,169
Diluted (in shares)	10,708	11,598	11,453