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Retirement Plans - Additional Information (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Feb. 29, 2020 | Jan. 31, 2020 | Jun. 30, 2020 | Jun. 30, 2020
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Pension liability |  |  |  | $ 6.6
Remaining plan assets in excess of pension liability |  |  | $ 16.6 | 16.6
United States Plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Contributions to pension plans |  | $ 19.2 |  |
Settlement of lump sum payments | $ 3.2 |  |  |
Defined Benefit Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Contributions to pension plans |  |  | 5.0 | 11.0
Estimated employer contribution to pension plans during remainder of current fiscal year |  |  | 17.0 | 17.0
Retiree Health Care Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Contributions to retiree health care plan |  |  | $ 0.3 | $ 0.6

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- Definition Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(8) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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