CONSOLIDATED INCOME STATEMENTS (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
CONSOLIDATED INCOME STATEMENTS
SALES	$ 1,048,237	$ 1,045,195	$ 1,054,040
COST OF SALES	804,969	809,163	802,348
Gross profit	243,268	236,032	251,692
SELLING EXPENSES	92,865	90,765	91,626
GENERAL AND ADMINISTRATIVE EXPENSES	97,458	97,454	88,828
GOODWILL IMPAIRMENT CHARGE	949	1,984
OTHER CHARGES	15,993	18,786	(1,945)
OTHER EXPENSE	289	294	237
Operating income	35,714	26,749	72,946
INTEREST EXPENSE	5,313	6,387	7,713
INTEREST INCOME	(86)	(96)	(101)
Income before taxes	30,487	20,458	65,334
INCOME TAX EXPENSE	8,262	6,356	23,922
Net income	$ 22,225	$ 14,102	$ 41,412
BASIC EARNINGS PER SHARE (in dollars per share)	$ 2.27	$ 1.33	$ 3.63
DILUTED EARNINGS PER SHARE (in dollars per share)	$ 2.26	$ 1.32	$ 3.57
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING USED TO COMPUTE EARNINGS PER SHARE
Basic (in shares)	9,812,400	10,591,642	11,416,002
Diluted (in shares)	9,836,813	10,707,528	11,598,148