Fair Value (Schedule Of Financial Instruments Measured At Fair Value On Recurring Basis) (Details) - Fair Value, Measurements, Recurring [Member] $ in Millions	Jul. 03, 2015 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	$ 594.6
Auction rate security	2.3
Foreign currency derivative asset	3.6
Total	600.5
Purchase obligation recorded for business combinations	75.0
Foreign currency derivative liability	3.3
Business Combination, Contingent Consideration, Liability	0.5
Total	78.8
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	594.6
Auction rate security	0.0
Foreign currency derivative asset	0.0
Total	594.6
Purchase obligation recorded for business combinations	0.0
Foreign currency derivative liability	0.0
Business Combination, Contingent Consideration, Liability	0.0
Total	0.0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	0.0
Auction rate security	0.0
Foreign currency derivative asset	0.0
Total	0.0
Purchase obligation recorded for business combinations	0.0
Foreign currency derivative liability	0.0
Business Combination, Contingent Consideration, Liability	0.0
Total	0.0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	0.0
Auction rate security	2.3
Foreign currency derivative asset	3.6
Total	5.9
Purchase obligation recorded for business combinations	75.0
Foreign currency derivative liability	3.3
Business Combination, Contingent Consideration, Liability	0.5
Total	$ 78.8