Certain Balance Sheet Components (Components Of Accumulated Other Comprehensive Loss, Net Of Related Tax) (Details) - USD ($) $ in Millions	Jan. 03, 2025	Dec. 29, 2023
Balance Sheet Related Disclosures [Abstract]
Accumulated foreign currency translation adjustments	$ (385.2)	$ (158.0)
Gain on cash flow hedge	4.1	4.7
Net unrealized actuarial (losses) gains	(0.8)	1.2
Total accumulated other comprehensive loss	$ (381.9)	$ (152.1)

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

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Name:	us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant