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Debt (Schedule Of Debt) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Sep. 30, 2011
Debt [Abstract]
Revolving credit facility, including current portion	$ 129,646	$ 125,000
Current portion of long-term debt	(129,646)	(50,000)
Long-term debt, less current portion		$ 75,000

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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