Commitments and Contingencies (Details Textual) - USD ($) $ in Millions	12 Months Ended
Dec. 29, 2019	Dec. 30, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Reserves for environmental remediation obligations	$ 6.0	$ 6.0
Portion of reserves included in current accrued liabilities	$ 1.6
Maximum
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Estimated duration of environmental remediation of all sites	30 years

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Publisher FASB
-Name Accounting Standards Codification
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