Income Taxes (Schedule Of Provision For (Benefit From) Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Income Tax Expense (Benefit) [Abstract]
Federal	$ 8,534	$ 22,849	$ 5,755
State	1,733	(192)	(177)
Foreign	41,101	31,530	30,192
Current provision for income taxes	51,368	54,187	35,770
Federal	106,041	(31,303)	30,570
State	7,706	(2,176)	733
Foreign	(8,981)	(1,584)	(9,305)
Deferred provision for (benefit from) income taxes	104,766	(35,063)	21,998
Total provision for income taxes	$ 156,134	$ 19,124	$ 57,768

The component of income tax expense for the period representing amounts paid or payable (or refundable) as determined by applying the provisions of enacted federal tax law to the domestic taxable Income or Loss from continuing operations.

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