Fair Value (Schedule Of Financial Instruments Measured At Fair Value On Recurring Basis) (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Millions, unless otherwise specified	Oct. 03, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market	$ 444.5
Auction rate security	2.3
Derivative Asset	0.7
Total	447.5
Purchase Obligation Associated with a Business Combination Accreted Value	74.0
Derivative Liability	0.7
Liabilities, Fair Value Disclosure, Recurring	74.7
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market	444.5
Auction rate security	0
Derivative Asset	0
Total	444.5
Purchase Obligation Associated with a Business Combination Accreted Value	0
Derivative Liability	0
Liabilities, Fair Value Disclosure, Recurring	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market	0
Auction rate security	0
Derivative Asset	0
Total	0
Purchase Obligation Associated with a Business Combination Accreted Value	0
Derivative Liability	0
Liabilities, Fair Value Disclosure, Recurring	0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market	0
Auction rate security	2.3
Derivative Asset	0.7
Total	3.0
Purchase Obligation Associated with a Business Combination Accreted Value	74.0
Derivative Liability	0.7
Liabilities, Fair Value Disclosure, Recurring	$ 74.7