Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
NET EARNINGS	$ 8,106	$ 6,302
Non-cash items included in net earnings:
Depreciation of property, plant and equipment	1,253	1,146
Amortization of intangible assets	829	938
Amortization of deferred instrument costs		201
Stock-based compensation	1,670	1,759
Deferred income taxes	96	(1,624)
Change in:
Accounts receivable	317	(2,989)
Inventories	(37)	(2,353)
Prepaid expenses and other current assets	539	87
Accounts payable and accrued expenses	(4,081)	1,315
Income taxes payable	991	497
Other, net	(276)	(108)
Net cash provided by operating activities	9,407	5,171
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(1,109)	(1,234)
Net cash used for investing activities	(1,109)	(1,234)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid	(5,301)	(5,288)
Payments on term loan	(1,125)	(1,125)
Proceeds and tax benefits from exercises of stock options	145
Net cash used for financing activities	(6,281)	(6,413)
Effect of Exchange Rate Changes on Cash and Equivalents and Restricted Cash	(257)	115
Net Increase (Decrease) in Cash and Equivalents and Restricted Cash	1,760	(2,361)
Cash and Equivalents and Restricted Cash at Beginning of Period	60,763	58,072
Cash and Equivalents and Restricted Cash at End of Period	62,523	55,711
Cash and Equivalents	61,523	54,711
Restricted Cash	$ 1,000	$ 1,000