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Employee Benefits (Tables) | 9 Months Ended
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Sep. 30, 2017
Retirement Benefits [Abstract] |
Schedule of (Income) Charges Related to Benefit Plans | The following table presents the components of Net periodic postretirement benefit cost relating to Salaried VEBA for the periods presented (in millions of dollars):
| Quarter Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
Salaried VEBA 1: |  |  |  |  |  |  |
Interest cost | $ | 0.8 |  |  | $ | 0.7 |  |  | $ | 2.3 |  |  | $ | 2.2 |
Expected return on plan assets | (1.0 | ) |  | (1.0 | ) |  | (3.1 | ) |  | (3.0 | )
Amortization of prior service cost | 1.2 |  |  | 1.0 |  |  | 3.6 |  |  | 3.0 |
Amortization of net actuarial loss | 0.2 |  |  | 0.1 |  |  | 0.6 |  |  | 0.3 |
Total net periodic postretirement benefit cost relating to Salaried VEBA | $ | 1.2 |  |  | $ | 0.8 |  |  | $ | 3.4 |  |  | $ | 2.5 |
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1 | The service cost was insignificant for all periods presented.
The following table presents the total charges (income) related to all benefit plans for the periods presented (in millions of dollars):
| Quarter Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
Included within Fabricated Products: |  |  |  |  |  |  |
Deferred compensation plan | $ | 0.1 |  |  | $ | 0.1 |  |  | $ | 0.3 |  |  | $ | 0.2 |
Defined contribution plans | 1.3 |  |  | 1.6 |  |  | 6.8 |  |  | 6.7 |
Multiemployer pension plans | 1.1 |  |  | 1.2 |  |  | 3.4 |  |  | 3.5 |
Total Fabricated Products | $ | 2.5 |  |  | $ | 2.9 |  |  | $ | 10.5 |  |  | $ | 10.4 |
Included within All Other: |  |  |  |  |  |  |
Deferred compensation plan | 0.4 |  |  | 0.4 |  |  | 1.1 |  |  | 0.6 |
Defined contribution plans | 0.1 |  |  | 0.1 |  |  | 0.7 |  |  | 0.7 |
Net periodic postretirement benefit cost relating to Salaried VEBA | 1.2 |  |  | 0.8 |  |  | 3.4 |  |  | 2.5 |
Loss (gain) on removal of Union VEBA net assets | 0.5 |  |  | — |  |  | (0.8 | ) |  | (0.1 | )
Total All Other | $ | 2.2 |  |  | $ | 1.3 |  |  | $ | 4.4 |  |  | $ | 3.7 |
Total | $ | 4.7 |  |  | $ | 4.2 |  |  | $ | 14.9 |  |  | $ | 14.1 |

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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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