Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income	$ 8,544	$ 15,944
Adjustments to reconcile net income to net cash provided by operating activities, net of assets acquired and liabilities assumed:
Depreciation and amortization	10,478	13,231
Provision for receivable allowances	4,811	7,264
Net change in inventory provision	640	2,072
Stock-based compensation	2,529	2,127
Loss on investments	635	$ 838
Deferred income taxes	2,257
Foreign currency adjustments on intercompany amounts and other non-cash items	505	$ (3,078)
Changes in operating assets and liabilities, net of businesses acquired:
Accounts receivable	1,667	(1,110)
Inventories	(7,778)	(3,941)
Prepaid expenses and other current assets	(916)	5,464
Other assets	(149)	615
Accounts payable	1,715	(4,934)
Accrued expenses and other liabilities	(338)	(374)
Pension liabilities	(938)	(1,021)
Net cash provided by operating activities	23,662	33,097
Cash flows from investing activities:
Change in restricted cash	(357)	40
Purchase of businesses, net of cash and cash equivalents acquired	(14,571)	(2,297)
Purchases of investments	(629)	(5,887)
Purchases of property and equipment	(5,265)	(5,468)
Changes in investments	26	54
Net cash used in investing activities	(20,796)	(13,558)
Cash flows from financing activities:
Principal payments on capital lease obligations	(454)	(1,965)
Repayments of loans and notes payable	$ (46,247)	(914)
Installment payment for business acquisition		(30,000)
Proceeds from loans	$ 82,967	30,000
Proceeds from employee equity plans	4,251	$ 2,360
Purchases of treasury stock	(6,440)
Payment of cash dividends to stockholders	(3,635)	$ (2,047)
Net cash provided by (used in) financing activities	30,442	(2,566)
Effect of exchange rate fluctuations on cash and cash equivalents	(234)	(2,422)
Net increase in cash and cash equivalents	33,074	14,551
Cash and cash equivalents at beginning of period	121,164	98,438
Cash and cash equivalents at end of period	$ 154,238	$ 112,989