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Employee Benefit Plans Employee Benefit Plans (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Domestic Plan |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Minimum Qualifying Age For Employee Benefit Plan | 21 years |  |
Expenses related to savings plan | $ 44.8 | $ 42.2 | $ 42.6
Deferred Compensation Plan |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Deferred compensation liability | $ 114.6 | $ 109.3 |

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- Definition Minimum qualifying age for employee benefit plan. + References No definition available. + Details
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer). + References No definition available. + 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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- 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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- Details
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- Details
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