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Business Combinations (Schedule Of Intangible Assets) (Detail) - USD ($)
$ in Millions
Apr. 02, 2021
Jan. 01, 2021
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 1,863.6 $ 1,903.4
Accumulated amortization (1,320.6) (1,323.3)
Total 543.0 580.1
Developed product technology    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 1,093.8 1,118.2
Accumulated amortization (813.1) (811.1)
Total 280.7 307.1
Customer relationships    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 671.1 681.1
Accumulated amortization (419.1) (419.3)
Total 252.0 261.8
Trade names and trademarks    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 56.2 58.3
Accumulated amortization (51.2) (51.9)
Total 5.0 6.4
Distribution rights and other intellectual property    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 42.5 45.8
Accumulated amortization (37.2) (41.0)
Total $ 5.3 $ 4.8