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Employee Benefit Plans - Narrative (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Total underfunded status | $ 132,700,000 |  |
Expected company contribution in the current period | $ 17,300,000 |  |
Employer contribution as percentage of employee contribution | 100.00% |  |
Annual contribution limit per employee | $ 11,200 |  |
Equity Securities |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Assets of foreign plans investment in equity securities | 21.00% | 18.00% |
Debt Securities |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Assets of foreign plans investment in equity securities | 19.00% | 19.00% |
Insurance and Investment Contracts |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Assets of foreign plans investment in equity securities | 43.00% | 46.00% |
Cash and Cash Equivalents |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Assets of foreign plans investment in equity securities | 3.00% | 3.00% |
Other Investments |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Assets of foreign plans investment in equity securities | 14.00% | 14.00% |
United States |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Compensation expense recognized | $ 18,100,000 | $ 19,200,000 | $ 18,400,000
Foreign Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Compensation expense recognized | $ 20,600,000 | $ 20,500,000 | $ 16,800,000
Minimum |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Percentage of employee contribution, basis for employer contribution | 0.00% |  |
Maximum |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |  |
Percentage of employee contribution, basis for employer contribution | 4.00% |  |

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- Definition Defined Contribution Plan, Maximum Annual Employer Matching Contribution, Per Employee + References No definition available. + Details
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- Definition Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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