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Contingencies (Details) $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2016 Party mi | Mar. 31, 2018 USD ($) | Dec. 30, 2017 USD ($)
Loss Contingencies [Line Items] |  |  |
Loss Contingency, Estimate of Possible Loss, Area of Land | mi | 8.3 |  |
Loss Contingency, Estimate of Possible Loss |  | $ 1,380.0 |
Loss Contingency, Number of Parties | Party | 100 |  |
Insurance Environmental and Litigation Matters [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Reserves for insurance, environmental and litigation contingencies |  | 62.4 | $ 61.4
Insurance Settlements Receivable, Noncurrent |  | $ 25.0 | $ 25.0

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- Definition Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) of amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349 + Details
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