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Employee Benefit Plans (Narrative) (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2015 USD ($)
Defined Benefit Pension Plans [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Employer contributions | $ 19.8
Estimated minimum contributions | 36.9
Postretirement Health Coverage [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Employer contributions | 0.8
Estimated minimum contributions | $ 1.5

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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 the employer's best estimate of contributions expected to be paid to the plan in the current fiscal period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2709-114920 + Details
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- Details
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