Income Taxes (Changes in Unrecognized Tax Benefit) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Sep. 27, 2013
Income Tax Disclosure [Abstract]
Balance at September 28, 2012	$ 52.4
Decreases based on positions related to prior years	(0.1)
Increases based on positions related to current year	11.6
Decreases relating to settlements with taxing authorities	0
Decreases relating to lapses of applicable statues of limitations	(0.7)
Balance at September 27, 2013	$ 63.2

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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 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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