Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$ 15,831	$ 26,738
Non-cash items included in net earnings:
Depreciation of property, plant and equipment	3,255	2,871
Amortization of intangible assets	2,843	1,834
Amortization of deferred instrument costs	745	829
Stock-based compensation	2,891	2,654
Goodwill impairment charge	6,628
Deferred income taxes	1,010	(753)
Losses on long-lived assets		659
Change in current assets, net of acquisition	5,764	(9,556)
Change in current liabilities, net of acquisition	(5,549)	868
Other, net	(927)	(140)
Net cash provided by operating activities	32,491	26,004
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(3,402)	(2,688)
Purchase of equity method investment		(600)
Acquisition of Magellan, net of cash acquired		(62,090)
Net cash used for investing activities	(3,402)	(65,378)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid	(18,990)	(25,233)
Proceeds from term loan, net of issuance costs		59,851
Payments on term loan	(2,625)	(750)
Proceeds and tax benefits from exercises of stock options	303	2,033
Net cash (used for) provided by financing activities	(21,312)	35,901
Effect of Exchange Rate Changes on Cash and Equivalents	250	(697)
Net Increase (Decrease) in Cash and Equivalents	8,027	(4,170)
Cash and Equivalents at Beginning of Period	47,226	49,973
Cash and Equivalents at End of Period	$ 55,253	$ 45,803