Note 5 Line of Credit Facility (Details) (USD $)			6 Months Ended
	Mar. 31, 2012	Oct. 01, 2011	Mar. 31, 2012 China Working Capital Loan Facility [Member]	Mar. 31, 2012 Loan Agreement [Member]
Line of Credit Facility [Line Items]
Interest Rate Description			LIBOR plus a spread	LIBOR or a base rate equal to Bank of America, N.A.'s announced prime rate, in each case plus a spread
Maximum Borrowing Capacity	$ 135,000,000		$ 50,000,000
Expiration Date				earlier of (i) the date that is 90 days prior to the maturity date of the Company's 2014 Notes or 2016 Notes, in each case if such notes are not repaid, redeemed, defeased, refinanced or reserved for under the borrowing base under the Loan Agreement prior to such date, and (ii) March 16, 2017
Short-term debt	$ 30,000,000	$ 60,200,000