Goodwill and Intangible Assets - Purchased Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 29, 2024	Dec. 29, 2023
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount, Finite and Indefinite-Lived	$ 375.6	$ 375.6
Accumulated Amortization	(168.0)	(160.3)
Carrying Value, Finite-Lived	198.6
Carrying Value, Finite And Indefinite-Lived	207.6	215.3
Customer relationships
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount, Finite-Lived	207.2	207.2
Accumulated Amortization	(102.5)	(97.5)
Carrying Value, Finite-Lived	$ 104.7	109.7
Customer relationships \| Minimum
Finite Lived Intangible Assets [Line Items]
Useful Life (In years)	6 years
Customer relationships \| Maximum
Finite Lived Intangible Assets [Line Items]
Useful Life (In years)	10 years
Recipes
Finite Lived Intangible Assets [Line Items]
Useful Life (In years)	20 years
Gross Carrying Amount, Finite-Lived	$ 73.2	73.2
Accumulated Amortization	(20.4)	(19.5)
Carrying Value, Finite-Lived	52.8	53.7
Intellectual property/know-how
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount, Finite-Lived	48.9	48.9
Accumulated Amortization	(19.5)	(18.4)
Carrying Value, Finite-Lived	$ 29.4	30.5
Intellectual property/know-how \| Minimum
Finite Lived Intangible Assets [Line Items]
Useful Life (In years)	7 years
Intellectual property/know-how \| Maximum
Finite Lived Intangible Assets [Line Items]
Useful Life (In years)	15 years
Tradename
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount, Finite and Indefinite-Lived	$ 32.5	32.5
Accumulated Amortization	(22.4)	(22.1)
Carrying Value, Finite And Indefinite-Lived	$ 10.1	10.4
Tradename \| Minimum
Finite Lived Intangible Assets [Line Items]
Useful Life (In years)	4 years
Tradename \| Maximum
Finite Lived Intangible Assets [Line Items]
Useful Life (In years)	6 years
Standard operating procedures
Finite Lived Intangible Assets [Line Items]
Useful Life (In years)	20 years
Gross Carrying Amount, Finite-Lived	$ 8.6	8.6
Accumulated Amortization	(2.4)	(2.3)
Carrying Value, Finite-Lived	$ 6.2	6.3
Developed technology
Finite Lived Intangible Assets [Line Items]
Useful Life (In years)	5 years
Gross Carrying Amount, Finite-Lived	$ 4.6	4.6
Accumulated Amortization	(0.4)	(0.2)
Carrying Value, Finite-Lived	$ 4.2	4.4
Backlog
Finite Lived Intangible Assets [Line Items]
Useful Life (In years)	1 year
Gross Carrying Amount, Finite-Lived	$ 0.6	0.6
Accumulated Amortization	(0.4)	(0.3)
Carrying Value, Finite-Lived	$ 0.2	$ 0.3

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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