Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Operating activities:
Net income	$ 13,217	$ 6,463
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,928	8,521
Deferred income taxes and related valuation allowance	2,075	668
Net gain on sale of real estate, investments, and other	(115)	(375)
Stock-based compensation	2,539	2,042
Amortization of deferred financing costs and discount on debt	344	256
Changes in operating assets and liabilities, net of effects of business acquisitions:
Trade accounts receivable	3,049	3,631
Inventories	1,152	(6,150)
Prepaid expenses	5,102	776
Other assets	(227)	3,873
Trade accounts payable	(3,112)	(6,983)
Increase (Decrease) in Accrued Liabilities	(2,801)	1,449
Non-current liabilities	(7,502)	(10,054)
Net cash provided by (used for) operating activities	25,649	4,117
INVESTING ACTIVITIES:
Proceeds from sale of marketable securities	9,192	5,057
Purchases of marketable securities	(207)	(4,212)
Capital expenditures	(8,450)	(8,707)
Payments to Acquire Businesses, Net of Cash Acquired	(587)	(182,467)
Net cash provided by (used for) investing activities	(52)	(190,329)
FINANCING ACTIVITIES:
Proceeds from exercise of stock options	139	159
Net payments under lines-of-credit	(21,000)	179,057
Repayment of debt	(6,550)	(6,523)
Other	(541)	(849)
Increase (Decrease) in Restricted Cash	(588)	0
Dividends, Cash	(1,611)	(1,604)
Net cash provided by (used for) financing activities	(30,151)	170,240
Effect of exchange rate changes on cash	(1,344)	1,642
Net change in cash and cash equivalents	(5,898)	(14,330)
Cash and cash equivalents at beginning of year	51,603	63,056
Cash and cash equivalents at end of period	45,705	48,726
Supplementary cash flow data:
Interest paid	4,863	2,486
Income taxes paid (refunded), net	$ 1,039	$ 2,407