Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income	$ 8,522	$ 9,291
Adjustments to reconcile net income to net cash used for operating activities:
Depreciation and amortization	3,917	3,873
Accretion of investment discount	(99)	0
Provision for accounts receivable allowances	1,003	1,898
Deferred tax provision	674	691
Stock-based compensation expense	1,017	1,008
Gain on sale or disposal of assets	0	(8)
Changes in assets and liabilities:
Accounts receivable	(53,262)	(59,690)
Inventory	(14,077)	(11,910)
Other assets	(946)	(856)
Accounts payable	16,842	13,586
Other accrued liabilities	4,874	3,563
Total adjustments	(40,057)	(47,845)
Net cash used for operating activities - continuing operations	(31,535)	(38,554)
Net cash used for operating activities - discontinued operations	(232)	(253)
Net cash used for operating activities	(31,767)	(38,807)
Cash flows from investing activities:
Purchase of property, plant and equipment	(1,531)	(3,047)
Purchase of a business	(5,142)	0
Proceeds from sale of fixed assets	5	8
Net cash used for investing activities	(6,668)	(3,039)
Cash flows from financing activities:
Dividends paid	(2,796)	(2,849)
Purchase of treasury stock	0	(5,065)
Exercise of stock options, net of tax withholdings	41	(83)
Payments for tax withholding on net restricted stock settlements	(291)	(537)
Tax effect on stock awards	121	366
Net cash used for financing activities	(2,925)	(8,168)
Net decrease in cash and cash equivalents	(41,360)	(50,014)
Cash and cash equivalents at beginning of period	68,200	87,108
Cash and cash equivalents at end of period	$ 26,840	$ 37,094