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Leases - Weighted Average Terms and Discount Rates (Details)	Jan. 02, 2021	Dec. 28, 2019
Weighted-average remaining lease terms:
Finance leases	3 years 8 months 12 days	4 years 6 months
Operating leases	3 years 3 months 18 days	3 years 8 months 12 days
Weighted-average discount rates:
Finance leases	3.40%	3.40%
Operating leases	2.60%	2.80%

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Weighted average discount rate for finance lease calculated at point in time.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
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-URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971

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