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Employee Benefit Plans - Obligations and Funded Status (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Postretirement Plans |  |  |
Change in projected benefit obligation: |  |  |
Projected benefit obligation — beginning of year | $ 115.3 | $ 120.8 |
Service cost | 0.0 | 0.0 | $ 0.1
Interest cost | 3.5 | 4.2 | 4.4
Actuarial losses | (5.4) | 0.6 |
Benefits paid | (9.0) | (10.3) |
Plan amendment | (26.8) | 0.0 |
Projected benefit obligation — end of year | 77.6 | 115.3 | 120.8
Change in plan assets: |  |  |
Funded status at year-end | (77.6) | (115.3) |
Amounts recognized in the consolidated balance sheets consist of: |  |  |
Other assets | 0.0 |  |
Accrued expenses | (8.7) | (11.7) |
Other long-term liabilities | (68.9) | (103.6) |
Net amount recognized | (77.6) | (115.3) |
Amount recognized in accumulated other comprehensive income (pre-tax) consists of: |  |  |
Net prior service credits | (31.0) | (5.9) |
Pension plans |  |  |
Employee benefit plans |  |  |
Non-funded plan, current underfunded status | 71.5 |  |
Change in plan assets: |  |  |
Fair value of plan assets — beginning of year | 425.2 |  |
Fair value of plan assets — end of year |  | 425.2 |
United States |  |  |
Change in projected benefit obligation: |  |  |
Projected benefit obligation — beginning of year | 348.1 | 371.1 |
Service cost | 0.3 | 0.4 | 2.5
Interest cost | 13.4 | 13.9 | 16.5
Actuarial losses | 16.5 | 9.5 |
Settlements | 0.0 | (36.4) |
Curtailment gain | 0.9 | 0.0 |
Benefits paid | (22.1) | (10.4) |
Foreign exchange and other | 0.0 | 0.0 |
Projected benefit obligation — end of year | 357.1 | 348.1 | 371.1
Settlement payments |  | 27.9 |
Change in plan assets: |  |  |
Fair value of plan assets — beginning of year | 261.9 | 279.2 |
Actual return on plan assets | 23.6 | 19.5 |
Contributions (employer and employee) | 6.3 | 10.0 |
Settlements | 0.0 | (36.4) |
Benefits paid | (22.1) | (10.4) |
Foreign exchange and other | 0.0 | 0.0 |
Fair value of plan assets — end of year | 269.7 | 261.9 | 279.2
Funded status at year-end | (87.4) | (86.2) |
Amounts recognized in the consolidated balance sheets consist of: |  |  |
Other assets | 0.0 | 0.0 |
Accrued expenses | (5.9) | (5.9) |
Other long-term liabilities | (81.5) | (80.3) |
Net amount recognized | (87.4) | (86.2) |
Amount recognized in accumulated other comprehensive income (pre-tax) consists of: |  |  |
Net prior service credits | (0.6) | (0.7) |
United States | Balcke Durr | Discontinued Operations, Disposed of by Sale |  |  |
Change in projected benefit obligation: |  |  |
Spin-Off of SPX FLOW and Divestiture of Balcke Durr | 0.0 | 0.0 |
Foreign Plan |  |  |
Change in projected benefit obligation: |  |  |
Projected benefit obligation — beginning of year | 157.6 | 155.7 |
Service cost | 0.0 | 0.0 | 1.3
Interest cost | 4.9 | 5.6 | 7.7
Actuarial losses | 6.7 | 27.4 |
Settlements | 0.0 | 0.0 |
Curtailment gain | 0.0 | 0.0 |
Benefits paid | (8.1) | (6.4) |
Foreign exchange and other | 14.1 | (18.0) |
Projected benefit obligation — end of year | 175.2 | 157.6 | 155.7
Change in plan assets: |  |  |
Fair value of plan assets — beginning of year | 163.3 | 163.5 |
Actual return on plan assets | 10.6 | 25.6 |
Contributions (employer and employee) | 3.4 | 0.5 |
Settlements | 0.0 | 0.0 |
Benefits paid | (8.7) | (6.1) |
Foreign exchange and other | 14.8 | (20.2) |
Fair value of plan assets — end of year | 183.4 | 163.3 | $ 163.5
Funded status at year-end | 8.2 | 5.7 |
Amounts recognized in the consolidated balance sheets consist of: |  |  |
Other assets | 8.4 | 6.3 |
Accrued expenses | 0.0 | 0.0 |
Other long-term liabilities | (0.2) | (0.6) |
Net amount recognized | 8.2 | 5.7 |
Amount recognized in accumulated other comprehensive income (pre-tax) consists of: |  |  |
Net prior service credits | 0.0 | 0.0 |
Foreign Plan | Balcke Durr | Discontinued Operations, Disposed of by Sale |  |  |
Change in projected benefit obligation: |  |  |
Spin-Off of SPX FLOW and Divestiture of Balcke Durr | $ 0.0 | $ (6.7) |

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- Definition The unfunded status is measured as the difference between the benefit obligation and the fair value of plan assets. Unfunded plans may include foreign pension plans and may also include other postretirement benefit plans. + References No definition available. + Details
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + 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 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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- Definition Amount of payment, which decreases benefit obligation of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. Excludes decreases to benefit obligation for remeasurement due to settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 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)(10) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of payment to participant under defined benefit plan which decreases plan assets. 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 (b)(5) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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