Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$ 26,738	$ 27,073
Non-cash items included in net earnings:
Depreciation of property, plant and equipment	2,871	2,585
Amortization of intangible assets	1,834	1,309
Amortization of deferred instrument costs	829	1,088
Stock-based compensation	2,654	2,676
Deferred income taxes	(753)	(270)
Losses on long-lived assets	659	39
Change in current assets, net of acquisition	(9,556)	(4,399)
Change in current liabilities, net of acquisition	868	796
Other, net	(140)	299
Net cash provided by operating activities	26,004	31,196
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(2,688)	(3,783)
Purchase of equity method investment	(600)
Proceeds from sale of assets		1,138
Acquisition of Magellan, net of cash acquired	(62,090)
Net cash used for investing activities	(65,378)	(2,645)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid	(25,233)	(25,014)
Proceeds from term loan, net of issuance costs	59,851
Payment on term loan	(750)
Proceeds and tax benefits from exercises of stock options	2,033	654
Net cash provided by (used for) financing activities	35,901	(24,360)
Effect of Exchange Rate Changes on Cash and Equivalents	(697)	(1,263)
Net (Decrease) Increase in Cash and Equivalents	(4,170)	2,928
Cash and Equivalents at Beginning of Period	49,973	43,047
Cash and Equivalents at End of Period	$ 45,803	$ 45,975