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Reporting Segment And Geographic Information (Schedule of Reconciliation Of Our Condensed Consolidated Segment Operating Income To Condensed Consolidated Income Before Income Taxes) (Details) - USD ($) $ in Millions | 3 Months Ended
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Apr. 04, 2025 | Mar. 29, 2024
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Consolidated operating income | $ 97.5 | $ 109.2
Unallocated general corporate expenses | (463.3) | (484.4)
Amortization of purchased intangible assets | (42.0) | (54.5)
Acquisition / divestiture items | (8.9) | (23.9)
Stock-based compensation / deferred compensation | (37.5) | (38.8)
Restructuring and other costs | (12.3) | (8.0)
Total non-operating expense, net | (11.1) | (36.2)
Consolidated income before taxes | 86.4 | 73.0
Operating segment |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Consolidated operating income | 224.3 | 261.3
Non-Segment |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Unallocated general corporate expenses | $ (26.1) | $ (26.9)

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