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Pension and Postretirement Benefit Obligation (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Benefit Obligation [Roll Forward] |  |  |
Domestic Pension Plan Discount Rate | 3.35% | 4.35% |
Fair Value of Plan Assets [Roll Forward] |  |  |
Fair Value of Plan Assets (Period Start) | $ 453.7 |  |
Fair Value of Plan Assets (Period End) | $ 508.6 | $ 453.7 |
Pension plans with underfunded or unfunded accumulated benefit obligation |  |  |
Foreign Pension Plan Discount Rate | 1.84% | 2.61% |
Domestic Plan [Member] |  |  |
Benefit Obligation [Roll Forward] |  |  |
Benefit obligation (period start) | $ 115.4 | $ 125.4 |
Service cost | 0.0 | 0.0 | $ 0.0
Interest cost | 4.8 | 4.5 | 5.1
Benefits Paid | (9.2) | (9.5) |
Plan participant contributions | 0.0 | 0.0 |
Actuarial losses (gains) | 5.9 | (5.0) |
Settlements and curtailments | 0.0 | 0.0 |
Foreign currency effect | 0.0 | 0.0 |
Other | 0.0 | 0.0 |
Benefit Obligation (Period End) | 116.9 | 115.4 | 125.4
Fair Value of Plan Assets [Roll Forward] |  |  |
Fair Value of Plan Assets (Period Start) | 89.8 | 98.8 |
Actual return on plan assets | 16.1 | (8.1) |
Plan participant contributions | 0.0 | 0.0 |
Employer contributions | 2.4 | 8.6 |
Benefits paid | (9.2) | (9.5) |
Settlements | (0.0) | (0.0) |
Foreign currency effect | 0.0 | 0.0 |
Other | 0.0 | 0.0 |
Fair Value of Plan Assets (Period End) | 99.1 | 89.8 | $ 98.8
Defined Benefit Plan, Funded (Unfunded) Status of Plan | (17.8) | (25.6) |
Amounts Recognized in Consolidated Balance Sheets |  |  |
Non-current asset | 0.0 | 0.0 |
Current liability | (0.0) | (0.0) |
Non-current liability | (17.8) | (25.6) |
Net liability recognized | (17.8) | (25.6) |
Accumulated benefit obligation | 116.9 | 115.4 |
Amounts recognized in Accumulated Other Comprehensive Loss, net |  |  |
Net actuarial loss | 54.2 | 60.4 |
Prior service cost (credit) | 0.0 | 0.0 |
Total amount recognized | 54.2 | 60.4 |
Pension plans with underfunded or unfunded accumulated benefit obligation |  |  |
Aggregate projected benefit obligation | 116.9 | 115.4 |
Aggregate accumulated benefit obligation | 116.9 | 115.4 |
Aggregate fair value of plan assets | $ 99.1 | $ 89.8 |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 3.35% | 4.35% | 3.70%
Foreign Plan [Member] |  |  |
Benefit Obligation [Roll Forward] |  |  |
Benefit obligation (period start) | $ 496.0 | $ 582.3 |
Service cost | 4.8 | 5.4 | $ 4.9
Interest cost | 12.4 | 13.1 | 13.5
Benefits Paid | (27.8) | (27.4) |
Plan participant contributions | 0.0 | 0.1 |
Actuarial losses (gains) | 42.7 | (47.6) |
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment | (0.7) | (5.8) |
Foreign currency effect | 13.8 | (26.4) |
Other | 0.0 | 2.3 |
Benefit Obligation (Period End) | 541.2 | 496.0 | 582.3
Fair Value of Plan Assets [Roll Forward] |  |  |
Fair Value of Plan Assets (Period Start) | 363.9 | 404.2 |
Actual return on plan assets | 42.0 | (8.0) |
Plan participant contributions | 0.0 | 0.1 |
Employer contributions | 18.0 | 19.1 |
Benefits paid | (27.8) | (27.4) |
Settlements | (0.0) | (4.6) |
Foreign currency effect | 13.4 | (21.1) |
Other | 0.0 | 1.6 |
Fair Value of Plan Assets (Period End) | 409.5 | 363.9 | $ 404.2
Defined Benefit Plan, Funded (Unfunded) Status of Plan | (131.7) | (132.1) |
Amounts Recognized in Consolidated Balance Sheets |  |  |
Non-current asset | 10.1 | 8.6 |
Current liability | (5.8) | (6.2) |
Non-current liability | (136.0) | (134.5) |
Net liability recognized | (131.7) | (132.1) |
Accumulated benefit obligation | 538.6 | 493.2 |
Amounts recognized in Accumulated Other Comprehensive Loss, net |  |  |
Net actuarial loss | 183.2 | 165.6 |
Prior service cost (credit) | 1.1 | 1.2 |
Total amount recognized | 184.3 | 166.8 |
Pension plans with underfunded or unfunded accumulated benefit obligation |  |  |
Aggregate projected benefit obligation | 534.6 | 491.2 |
Aggregate accumulated benefit obligation | 533.5 | 489.9 |
Aggregate fair value of plan assets | $ 392.7 | $ 350.5 |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 1.84% | 2.61% | 2.36%
Other Postretirement Benefits Plan [Member] |  |  |
Benefit Obligation [Roll Forward] |  |  |
Benefit obligation (period start) | $ 27.7 | $ 31.8 |
Service cost | 0.0 | 0.0 | $ 0.0
Interest cost | 1.2 | 1.1 | 1.3
Benefits Paid | (5.4) | (5.9) |
Plan participant contributions | 2.0 | 1.8 |
Actuarial losses (gains) | 1.7 | (1.1) |
Settlements and curtailments | 0.0 | 0.0 |
Foreign currency effect | 0.0 | 0.0 |
Other | 0.0 | 0.0 |
Benefit Obligation (Period End) | 27.2 | 27.7 | 31.8
Fair Value of Plan Assets [Roll Forward] |  |  |
Fair Value of Plan Assets (Period Start) | 0.0 | 0.0 |
Actual return on plan assets | 0.0 | 0.0 |
Plan participant contributions | 2.0 | 1.8 |
Employer contributions | 3.4 | 4.1 |
Benefits paid | (5.4) | (5.9) |
Settlements | (0.0) | (0.0) |
Foreign currency effect | 0.0 | 0.0 |
Other | 0.0 | 0.0 |
Fair Value of Plan Assets (Period End) | 0.0 | 0.0 | $ 0.0
Defined Benefit Plan, Funded (Unfunded) Status of Plan | (27.2) | (27.7) |
Amounts Recognized in Consolidated Balance Sheets |  |  |
Non-current asset | 0.0 | 0.0 |
Current liability | (2.7) | (2.9) |
Non-current liability | (24.5) | (24.8) |
Net liability recognized | (27.2) | (27.7) |
Amounts recognized in Accumulated Other Comprehensive Loss, net |  |  |
Net actuarial loss | 4.7 | 3.1 |
Prior service cost (credit) | (0.1) | (0.3) |
Total amount recognized | $ 4.6 | $ 2.8 |
Pension plans with underfunded or unfunded accumulated benefit obligation |  |  |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 3.25% | 4.30% | 3.65%

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- Definition Amount of cost recognized for passage of time related to defined benefit plan. + 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 (h)(2) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 + Details
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- Definition Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920 + Details
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- Definition Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 + Details
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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