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Pension and Savings Plans (Details 2) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Amounts recognized in the consolidated balance sheets: |  |  |  |
Liabilities Subject to Compromise |  | $ (8,440.2) | $ 0.0 |
Pension Plan [Member] |  |  |  |
Change in benefit obligation: |  |  |  |
Projected benefit obligation at beginning of period |  | 939.3 | 1,002.5 |
Service cost |  | 2.5 | 2.7 | $ 2.1
Interest cost |  | 41.5 | 40.4 | 45.4
Benefits paid |  | 61.1 | 62.6 |
Actuarial (gain) loss | [1] | 37.1 | (43.7) |
Projected benefit obligation at end of period |  | 959.3 | 939.3 | 1,002.5
Fair value of plan assets at beginning of period |  | 757.3 | 839.8 |
Actual (loss) return on plan assets |  | 75.7 | (26.1) |
Employer contributions |  | 1.1 | 6.2 |
Benefits paid |  | (61.1) | (62.6) |
Fair value of plan assets at end of period |  | 773.0 | 757.3 | $ 839.8
Funded status at end of year |  | (186.3) | (182.0) |
Amounts recognized in the consolidated balance sheets: |  |  |  |
Current obligation (included in Accounts payable and accrued expenses) |  | 0.0 | (1.6) |
Noncurrent obligation (included in Other noncurrent liabilities) |  | (163.5) | (180.4) |
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Other |  | (22.8) |  |
Net amount recognized |  | $ (186.3) | $ (182.0) |
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- Definition Pension and Other Postretirement Defined Benefit Plans, Liabilities, Other + References No definition available. + Details
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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + 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)(1) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + 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 (a)(4) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1703-114919 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + 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 (a) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(6) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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