Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating activities:
Net income	$ 6,401	$ 6,911
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,001	3,972
Deferred income taxes and related valuation allowance	969	(916)
Net gain on sale of real estate, investments, and other	(93)	(150)
Stock-based compensation	1,147	911
Amortization of deferred financing costs and discount on debt	172	119
Changes in operating assets and liabilities, net of effects of business acquisitions:
Trade accounts receivable	4,018	9,621
Inventories	(1,896)	(6,027)
Prepaid expenses	3,049	2,164
Other assets	(25)	3,286
Trade accounts payable	(2,557)	(5,575)
Increase (Decrease) in Accrued Liabilities	(3,485)	(902)
Non-current liabilities	(6,496)	(10,212)
Net cash provided by (used for) operating activities	7,205	3,202
INVESTING ACTIVITIES:
Proceeds from sale of marketable securities	7,772	57
Purchases of marketable securities	(105)	(7)
Capital expenditures	(4,301)	(4,079)
Net cash provided by (used for) investing activities	3,366	(4,029)
FINANCING ACTIVITIES:
Net payments under lines-of-credit	(13,500)
Repayment of debt	(3,274)	(3,236)
Other	(367)	(847)
Dividends, Cash	(804)	(800)
Net cash provided by (used for) financing activities	(17,945)	(4,883)
Effect of exchange rate changes on cash	(1,066)	718
Net change in cash and cash equivalents	(8,440)	(4,992)
Cash and cash equivalents at beginning of year	51,603	63,056
Cash and cash equivalents at end of period	43,163	58,064
Supplementary cash flow data:
Interest paid	2,489	1,019
Income taxes paid (refunded), net	$ 428	$ (1,309)