CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income	$ 8,459	$ 9,030
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,415	4,839
Amortization of deferred financing fees	92	92
Losses on disposals of property, plant and equipment	2	1
Tax benefit from stock option exercises	(51)	(43)
Deferred income taxes, net	478	567
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable, net	(751)	(1,820)
Inventories	(3,167)	3,652
Prepaid expenses and other current assets	356	555
Other non-current assets	(102)	(10)
Accounts payable	574	(506)
Accrued expenses	(494)	(1,264)
Other non-current liabilities	(10)	(29)
Net cash provided by operating activities	10,801	15,064
Cash flows from investing activities:
Acquisitions of businesses	(9,139)
Purchases of property, plant and equipment	(6,437)	(3,887)
Net cash used in investing activities	(15,576)	(3,887)
Cash flows from financing activities:
Proceeds from debt	12,000	10,000
Payments on debt	(8,000)	(9,000)
Proceeds from issuances of common stock	179	464
Purchases of common stock for treasury	(1,430)	(2,156)
Dividends paid on common stock		(9,785)
Tax benefit from stock option exercises	51	43
Net cash provided by (used in) financing activities	2,800	(10,434)
Effect of exchange rate changes on cash	24	(66)
Net increase (decrease) in cash	(1,951)	677
Cash at beginning of period	8,235	4,824
Cash at end of period	$ 6,284	$ 5,501