Acquisitions and License Agreements (Schedule of Pro Forma Information) (Details) (Questcor and Cadence Pharmaceuticals, USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
Sep. 26, 2014	Sep. 27, 2013
Questcor and Cadence Pharmaceuticals
Business Acquisition [Line Items]
Net sales, pro forma	$ 3,487.1	$ 3,015.5
Net income (loss), pro forma	$ (326.8)	$ (61.5)
Basic earnings (loss) per share, pro forma (in usd per share)	$ (2.84)	$ (0.54)
Diluted earnings (loss) per share, pro forma (in usd per share)	$ (2.84)	$ (0.54)

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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+ References

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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