Intangible Assets, Net - Summary of Intangible Assets (Details) - USD ($) $ in Millions	Jun. 27, 2020	Dec. 28, 2019
Intangibles And Other Assets Net [Line Items]
Not subject to amortization	$ 449.8	$ 287.1
Subject to amortization
Cost	863.8	614.3
Accumulated Amortization	332.9	304.4
Net	530.9	309.9
Cost	1,313.6	901.4
Net	980.7	597.0
Customer relationships
Subject to amortization
Cost	773.5	534.9
Accumulated Amortization	289.9	267.4
Net	483.6	267.5
Patents
Subject to amortization
Cost	19.2	15.2
Accumulated Amortization	5.2	4.0
Net	14.0	11.2
Software
Subject to amortization
Cost	56.8	49.3
Accumulated Amortization	32.4	28.0
Net	24.4	21.3
Other
Subject to amortization
Cost	14.3	14.9
Accumulated Amortization	5.4	5.0
Net	8.9	9.9
Trademarks
Intangibles And Other Assets Net [Line Items]
Not subject to amortization	$ 449.8	$ 287.1

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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