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Employee Benefit Plans - Narrative (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2017 USD ($) plan
SERPs |
Defined Benefit Plan Disclosure [Line Items] |
Number of non-qualified defined benefit plan | plan | 2
Contributions to benefit plan | $ 0.2
Estimated future contributions | $ 1.4
Defined benefit plans |
Defined Benefit Plan Disclosure [Line Items] |
Number of non-qualified defined benefit plan | plan | 2
Contributions to benefit plan | $ 1.1
Estimated future contributions | $ 16.4

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- Definition Number of Non-qualified Defined Benefit Plan + References No definition available. + Details
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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + 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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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
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- Details
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- Details
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