Retirement Plans - Assumptions Used to Determine Benefit Obligations (Details)	12 Months Ended
Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
United States
Net Periodic Benefit Cost Assumptions [Line Items]
Discount rate	3.00%	4.00%	3.50%
Expected long-term rate of return on plan assets	6.30%	6.30%	7.00%
International
Net Periodic Benefit Cost Assumptions [Line Items]
Discount rate	1.10%	2.40%	2.00%
Expected long-term rate of return on plan assets	1.30%	2.70%	3.10%
Rate of compensation increase	2.70%	1.40%	1.40%
CPI Inflation factor	0.30%	0.30%	0.30%

Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Inflation Factor

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- Definition

Net Periodic Benefit Cost Assumptions [Line Items]

+ References

No definition available.

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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