Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
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Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
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Derivative financial instruments - Narratives (Details)	3 Months Ended		6 Months Ended
Derivative financial instruments - Narratives (Details)	Jun. 29, 2024 USD ($)	Jul. 01, 2023 USD ($)	Jun. 29, 2024 USD ($)	Jul. 01, 2023 USD ($)	Jun. 29, 2024 EUR (€)	Jun. 29, 2024 USD ($)	Dec. 30, 2023 EUR (€)	Dec. 30, 2023 CNY (¥)	Dec. 30, 2023 USD ($)	Nov. 30, 2023 CNY (¥)	Nov. 30, 2022 EUR (€)
Derivatives not designated as hedging instruments
Derivative
Gain on derivative, recognized in the income statement	$ 1,100,000	$ 2,900,000	$ 3,200,000	$ 4,100,000
Currency swap \| Derivatives designated as hedging instruments
Derivative
Notional amount of derivative contracts					€ 756,100,000		€ 756,100,000	¥ 1,784,000,000		¥ 1,784,000,000
Currency swap \| Derivatives designated as hedging instruments \| Net Investment Hedges
Derivative
Gain on derivative, recognized in the income statement	1,100,000	2,500,000	4,300,000	5,500,000
Currency swap \| Derivatives designated as hedging instruments \| —Euro Term Loan
Derivative
Notional amount of derivative contracts \| €					€ 254,500,000						€ 501,600,000
Interest rate swaps
Derivative
Notional amount of derivative contracts						$ 1,255,000,000			$ 1,255,000,000
Interest rate swaps due June 30, 2020 through June 30, 2025
Derivative
Notional amount of derivative contracts						870,000,000
Interest rate swaps due November 16, 2022 through November 16, 2027
Derivative
Notional amount of derivative contracts						385,000,000
—Currency forward contracts recognized in SG&A \| Derivatives not designated as hedging instruments
Derivative
Notional amount of derivative contracts						0			0
Gain on derivative, recognized in the income statement	$ 1,100,000	$ 2,900,000	$ 3,200,000	$ 4,100,000
—Currency forward contracts \| Derivatives not designated as hedging instruments
Derivative
Notional amount of derivative contracts						$ 140,700,000			$ 140,800,000