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Supplemental Balance Sheet Information - Schedule of Supplemental Balance Sheet Information (Parenthetical) (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020
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Organization Consolidation And Presentation Of Financial Statements [Abstract] |  |
Excess of Replacement or Current Costs over Stated LIFO Value | $ 73.4 | $ 8.4
Construction in progress expected to resume on future date | $ 19.8 | $ 20.0

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- Definition The excess of replacement or current cost over the stated LIFO (last in first out) inventory value when the LIFO inventory method is utilized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(c)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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