Fair Value Measurements (Details) - USD ($) $ in Millions	Sep. 26, 2020	Dec. 28, 2019
Cash and cash equivalents
Assets
Investments	$ 0.9	$ 0.4
Other current assets
Assets
Investments	32.1	30.2
Recurring
Assets
Investments	33.0	30.6
Derivative assets	8.3	5.2
Bank drafts	19.5	21.3
Liabilities
Derivative liabilities	24.1	6.0
Quoted Prices in Active Markets (Level 1)
Assets
Investments	27.1	26.0
Derivative assets	0.2
Bank drafts	19.5	21.3
Liabilities
Derivative liabilities		0.4
Significant Other Observable Inputs (Level 2)
Assets
Investments	5.9	4.6
Derivative assets	8.1	5.2
Liabilities
Derivative liabilities	$ 24.1	$ 5.6

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313

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