Derivatives (Derivatives Designated As Hedging Instruments) (Details) (Designated as Hedging Instrument [Member], USD $) In Millions	9 Months Ended	12 Months Ended
Sep. 25, 2011	Sep. 26, 2010	Dec. 26, 2010
Notional Amount	$ 271.7		$ 164.2
Fair Value	(7.5)		2.4
Amount of Gain (Loss) Recognized In AOCI	(7.5)		2.4
Amount of Gain (Loss) Recognized In Income	1.5	1.2
Amount of Gain (Loss) Reclassified from AOCI	1.5	1.2
Derivatives For Forecasted Revenues [Member] \| Current Assets [Member]
Notional Amount	38.6		41.9
Fair Value	0.4		0.8
Amount of Gain (Loss) Recognized In AOCI	0.4		0.8
Derivatives For Forecasted Revenues [Member] \| Current Liabilities [Member]
Notional Amount	13.3		12.0
Fair Value			(0.2)
Amount of Gain (Loss) Recognized In AOCI			(0.2)
Derivatives For Forecasted Expenses [Member] \| Current Assets [Member]
Notional Amount	24.6		110.3
Fair Value			1.8
Amount of Gain (Loss) Recognized In AOCI			1.8
Derivatives For Forecasted Expenses [Member] \| Current Liabilities [Member]
Notional Amount	195.2
Fair Value	(7.9)
Amount of Gain (Loss) Recognized In AOCI	(7.9)
Foreign Currency Contracts [Member] \| Revenue [Member]
Amount of Gain (Loss) Recognized In Income	(3.0)	0.4
Amount of Gain (Loss) Reclassified from AOCI	(3.0)	0.4
Foreign Currency Contracts [Member] \| Expenses [Member]
Amount of Gain (Loss) Recognized In Income	4.5	2.6
Amount of Gain (Loss) Reclassified from AOCI	4.5	2.6
Interest Rate Contract [Member] \| Interest Expense [Member]
Amount of Gain (Loss) Recognized In Income		(1.8)
Amount of Gain (Loss) Reclassified from AOCI		$ (1.8)

Net fair value of all derivative instruments designated as cash flow hedging instruments, which is ordinarily reflected within other comprehensive income.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 44C

-Subparagraph b

-Clause 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Accounting Standards Codification

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 205G

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

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-Section 50

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-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5618551-113959

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 44C

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 205G

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 44C

-Subparagraph b

-Clause 2

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Aggregate notional amount of all derivatives designated as cash flow hedging instruments. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

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