CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 18,658	$ 15,271	$ 15,889
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	14,208	12,765	11,468
Amortization of deferred financing fees	125	130	184
Impairment of intangible assets	0	1,810	267
Losses on disposals of property, plant and equipment	9	13	3
Tax benefit from stock option exercises	0	(84)	(51)
Deferred income taxes	546	17	112
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable, net	458	(1,648)	(758)
Inventories	(1,661)	(1,462)	(6,691)
Prepaid expenses and other current assets	392	(816)	(704)
Other non-current assets	(15)	(101)	(90)
Accounts payable	(1,422)	(604)	9
Accrued expenses	1,453	(267)	386
Other non-current liabilities	26	22	14
Net cash provided by operating activities	32,777	25,046	20,038
Cash flows from investing activities:
Purchases of property, plant and equipment	(8,950)	(8,557)	(11,298)
Acquisitions of businesses	(26,235)	(1,266)	(16,377)
Net cash used in investing activities	(35,185)	(9,823)	(27,675)
Cash flows from financing activities:
Proceeds from debt	27,000	4,500	23,500
Payments on debt	(15,000)	(16,000)	(13,000)
Payments of deferred financing fees	0	(420)	0
Proceeds from issuances of common stock	81	552	211
Purchases of common stock for treasury	(7,501)	(5,319)	(5,067)
Tax benefit from stock option exercises	0	84	51
Net cash provided by (used in) financing activities	4,580	(16,603)	5,695
Effect of exchange rate changes on cash	16	(237)	(61)
Net increase (decrease) in cash	2,188	(1,617)	(2,003)
Cash at beginning of year	4,615	6,232	8,235
Cash at end of year	$ 6,803	$ 4,615	$ 6,232