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Financial Instruments - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019	Apr. 17, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Foreign currency transaction gain (loss) realized	$ (3,200,000)	$ (1,000,000.0)	$ (3,400,000)	$ (4,100,000)
Convertible Debt | 1.00% Notes
Derivatives, Fair Value [Line Items]
Debt instrument, interest rate (as a percent)	1.00%		1.00%
Convertible Debt | 1.625% Notes
Derivatives, Fair Value [Line Items]
Debt instrument, interest rate (as a percent)	1.625%		1.625%
Foreign currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	$ 172,500,000		$ 172,500,000			$ 183,300,000
Foreign currency exchange contracts | Minimum
Derivatives, Fair Value [Line Items]
Derivative, term of contract (in months)			1 month
Foreign currency exchange contracts | Maximum
Derivatives, Fair Value [Line Items]
Derivative, term of contract (in months)			3 months
Interest Rate Swap 1
Derivatives, Fair Value [Line Items]
Notional Amount					$ 1,250,000,000
Interest Rate Swap 2
Derivatives, Fair Value [Line Items]
Notional Amount					750,000,000.0
Interest Rate Swap 3
Derivatives, Fair Value [Line Items]
Notional Amount					$ 750,000,000.0
Interest Rate Swap
Derivatives, Fair Value [Line Items]
Notional Amount	$ 2,250,000,000	$ 1,000,000,000.0	$ 2,250,000,000	$ 1,000,000,000.0

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

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+ References

No definition available.

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- Definition

Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109240200&loc=d3e30690-110894

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