Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities:
Net income	$ 6,911,000	$ 6,733,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,972,000	3,708,000
Deferred income taxes and related valuation allowance	(916,000)	(337,000)
Net gain on sale of real estate, investments, and other	(150,000)	(56,000)
Stock-based compensation	911,000	836,000
Amortization of deferred financing costs and discount on subordinated debt	119,000	217,000
Changes in operating assets and liabilities, net of effects of business acquisitions and divestitures:
Trade accounts receivable	9,621,000	11,686,000
Inventories	(6,027,000)	(4,948,000)
Prepaid expenses	2,164,000	456,000
Other assets	3,286,000	439,000
Trade accounts payable	(5,575,000)	(5,976,000)
Increase (Decrease) in Accrued Liabilities	(902,000)	(3,839,000)
Non-current liabilities	(10,212,000)	(2,448,000)
Net cash provided by (used for) operating activities	3,202,000	6,471,000
INVESTING ACTIVITIES:
Proceeds from sale of marketable securities	57,000	416,000
Purchases of marketable securities	(7,000)	(764,000)
Capital expenditures	(4,079,000)	(4,616,000)
Net cash provided by (used for) investing activities	(4,029,000)	(4,964,000)
FINANCING ACTIVITIES:
Proceeds from exercise of stock options	0	1,051,000
Repayment of debt	(3,236,000)	(332,000)
Change in ESOP guarantee and other	(847,000)	101,000
Dividends, Cash	(800,000)	(793,000)
Net cash provided by (used for) financing activities	(4,883,000)	27,000
Effect of exchange rate changes on cash	718,000	242,000
Net change in cash and cash equivalents	(4,992,000)	1,776,000
Cash and cash equivalents at beginning of period	63,056,000	112,309,000
Cash and cash equivalents at end of period	58,064,000	114,085,000
Supplementary cash flow data:
Interest paid	1,019,000	265,000
Income taxes paid (refunded)	$ (1,309,000)	$ 1,808,000