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Goodwill and Identifiable Intangible Assets - Gross Carrying Value and Accumulated Amortization for Each Major Category of Intangible Asset (Detail) - USD ($)
$ in Millions
Dec. 27, 2025
Dec. 28, 2024
Intangible Assets [Line Items]    
Gross Carrying Amounts, Indefinite-lived tradenames $ 519.8 $ 518.8
Net Book Value, Indefinite-lived tradenames 519.8 518.8
Gross Carrying Amounts, Finite Lived 1,243.7 1,230.5
Accumulated Amortization, Finite Lived (531.8) (452.1)
Net Book Value, Finite Lived 711.9 778.4
Gross Carrying Amounts, Total identifiable intangibles 1,763.5 1,749.3
Accumulated Amortization, Total identifiable intangibles (531.8) (452.1)
Net Book Value, Total identifiable intangibles 1,231.7 1,297.2
Tradenames [Member]    
Intangible Assets [Line Items]    
Gross Carrying Amounts, Finite Lived 78.8 76.1
Accumulated Amortization, Finite Lived (17.8) (13.1)
Net Book Value, Finite Lived 61.0 63.0
Customer and contractual relationships [Member]    
Intangible Assets [Line Items]    
Gross Carrying Amounts, Finite Lived 1,024.0 1,015.5
Accumulated Amortization, Finite Lived (408.4) (346.2)
Net Book Value, Finite Lived 615.6 669.3
Patents/proprietary technology [Member]    
Intangible Assets [Line Items]    
Gross Carrying Amounts, Finite Lived 140.9 138.9
Accumulated Amortization, Finite Lived (105.6) (92.8)
Net Book Value, Finite Lived $ 35.3 $ 46.1