CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012
Current assets:
Cash and cash equivalents	$ 169,619	$ 178,459
Accounts receivable, less allowance for doubtful accounts of $4,465 at December 31, 2012, and $4,757 at September 30, 2012	63,247	53,506
Inventories	62,879	66,472
Prepaid expenses and other current assets	8,820	12,608
Deferred income taxes	6,345	6,843
Total current assets	310,910	317,888
Property, plant and equipment, net	119,390	125,020
Goodwill	44,982	44,620
Other intangible assets, net	11,884	12,473
Deferred income taxes	6,713	5,879
Other long-term assets	11,902	11,945
Total assets	505,781	517,825
Current liabilities:
Accounts payable	15,020	19,542
Current portion of long-term debt	8,750	10,937
Capital lease obligations	0	2
Accrued expenses, income taxes payable and other current liabilities	26,755	32,738
Total current liabilities	50,525	63,219
Long-term debt, net of current portion	159,687	161,875
Deferred income taxes	3,553	2,017
Capital lease obligations, net of current portion	0	19
Other long-term liabilities	6,890	7,104
Total liabilities	220,655	234,234
Commitments and contingencies (Note 10)
Stockholders' equity:
Common Stock: Authorized: 200,000,000 shares, $0.001 par value; Issued: 29,259,603 shares at December 31, 2012, and 28,864,527 shares at September 30, 2012	29	29
Capital in excess of par value of common stock	337,566	329,782
Retained earnings	139,144	129,441
Accumulated other comprehensive income	25,770	30,466
Treasury stock at cost, 6,041,391 shares at December 31, 2012, and 5,682,288 shares at September 30, 2012	(217,383)	(206,127)
Total stockholders' equity	285,126	283,591
Total liabilities and stockholders' equity	$ 505,781	$ 517,825