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Income Taxes (Schedule of Income Taxes Payable) (Details) (USD $)
In Millions, unless otherwise specified
Sep. 26, 2014
Sep. 27, 2013
Operating Loss Carryforwards [Line Items]    
Total income taxes payable $ 140.3us-gaap_AccruedIncomeTaxes $ 181.3us-gaap_AccruedIncomeTaxes
Accrued and Other Current Liabilities    
Operating Loss Carryforwards [Line Items]    
Accrued and other current liabilities 17.7us-gaap_AccruedIncomeTaxesCurrent
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28.2us-gaap_AccruedIncomeTaxesCurrent
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Other Income Tax Liabilities    
Operating Loss Carryforwards [Line Items]    
Other income tax liabilities $ 122.6us-gaap_AccruedIncomeTaxesNoncurrent
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$ 153.1us-gaap_AccruedIncomeTaxesNoncurrent
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