Taxes On Earnings (Schedule Of Changes In Unrecognized Tax Benefits) (Details) (USD $) In Millions	12 Months Ended
Sep. 30, 2011	Oct. 01, 2010	Oct. 02, 2009
Taxes On Earnings [Abstract]
Unrecognized tax benefits balance - beginning of fiscal year	$ 46.4	$ 58.9	$ 78.4
Additions based on tax positions related to a prior year	1.0	1.4	3.0
Reductions based on tax positions related to a prior year	(0.4)	(14.4)	(8.6)
Additions based on tax positions related to the current year	8.6	7.9	9.8
Reductions based on tax positions related to the current year	0	0	(4.2)
Settlements	(5.1)	(7.2)	(6.0)
Reductions resulting from the expiration of the applicable statute of limitations	(13.4)	(0.2)	(13.5)
Unrecognized tax benefits balance - end of fiscal year	$ 37.1	$ 46.4	$ 58.9

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.

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