Employee Benefit Plans (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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Retirement Benefits [Abstract] | |||
Company contributions | $ 35.9 | $ 28.9 | $ 30.3 |
Deferred Compensation Liability, Current and Noncurrent | 61.5 | 53.8 | |
Deferred compensation plan amounts owed | $ 59.5 | $ 51.0 |
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- References No definition available.
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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). No definition available.
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. No definition available.
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- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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