Certain Balance Sheet Components (Components Of Other Non-Current Liabilities) (Details) - USD ($) $ in Millions	Jan. 01, 2021	Jan. 03, 2020
Balance Sheet Related Disclosures [Abstract]
Unrecognized tax benefits	$ 55.4	$ 66.4
Deferred compensation	42.0	36.2
Pension	21.9	20.2
Other	31.3	30.1
Total other non-current liabilities	$ 150.6	$ 152.9

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

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Amount recognized for uncertainty in income taxes classified as noncurrent.

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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are expected to be paid after one year (or the normal operating cycle, if longer), from the balance sheet date.

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Amount of liability, recognized in statement of financial position, for pension, other postretirement and postemployment benefits, classified as noncurrent.

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