Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012
CURRENT ASSETS
Cash and equivalents	$ 40,363	$ 31,593
Accounts receivable, less allowances of $514 and $574	25,229	24,183
Inventories	34,335	31,682
Prepaid expenses and other current assets	4,788	6,203
Deferred income taxes	3,885	2,929
Total current assets	108,600	96,590
PROPERTY, PLANT AND EQUIPMENT, at Cost
Land	1,177	1,175
Buildings and improvements	26,216	25,983
Machinery, equipment and furniture	37,036	34,917
Construction in progress	1,369	1,149
Subtotal	65,798	63,224
Less: accumulated depreciation and amortization	40,001	37,069
Net property, plant and equipment	25,797	26,155
OTHER ASSETS
Goodwill	22,387	23,146
Other intangible assets, net	8,309	10,264
Restricted cash	1,000	1,000
Deferred illumigene instrument costs, net	3,586	3,958
Deferred income taxes	1,022
Other assets	290	268
Total other assets	36,594	38,636
TOTAL ASSETS	170,991	161,381
CURRENT LIABILITIES
Accounts payable	6,174	5,794
Accrued employee compensation costs	6,965	5,827
Other accrued expenses	5,240	5,247
Income taxes payable	1,346	1,594
Total current liabilities	19,725	18,462
DEFERRED INCOME TAXES		171
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' EQUITY
Preferred stock, no par value, 1,000,000 shares authorized, none issued
Common shares, no par value, 71,000,000 shares authorized, 41,467,347 and 41,284,485 shares issued, respectively
Additional paid-in capital	106,396	102,443
Retained earnings	45,592	40,210
Accumulated other comprehensive income	(722)	95
Total shareholders' equity	151,266	142,748
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 170,991	$ 161,381