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Retirement Plans | 6 Months Ended
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Jun. 30, 2017
Employee-related Liabilities [Abstract] |
Retirement Plans | RETIREMENT PLANS Retirement Plans The Company has seven retirement plans that cover its hourly and salaried employees in the United States: three defined benefit plans (one active / two frozen) and four defined contribution plans. Employees are eligible to participate in the appropriate plan based on employment classification. The Company’s contributions to the defined benefit and defined contribution plans are governed by the Employee Retirement Income Security Act of 1974 (“ERISA”) and the Company’s policy and investment guidelines of the applicable plan. The Company’s policy is to contribute at least the minimum in accordance with the funding standards of ERISA. The Company’s subsidiary, L.B. Foster Rail Technologies, Inc. (“Rail Technologies”), maintains two defined contribution plans for its employees in Canada, as well as a post-retirement benefit plan. In the United Kingdom, Rail Technologies maintains two defined contribution plans and a defined benefit plan. United States Defined Benefit Plans Net periodic pension costs for the United States defined benefit pension plans for the three- and six-month periods ended June 30, 2017 and 2016 are as follows:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
Service cost |  | $ | — |  |  | $ | 9 |  |  | $ | — |  |  | $ | 18 |
Interest cost |  | 171 |  |  | 186 |  |  | 342 |  |  | 372 |
Expected return on plan assets |  | (178 | ) |  | (179 | ) |  | (355 | ) |  | (358 | )
Recognized net actuarial loss |  | 33 |  |  | 69 |  |  | 65 |  |  | 138 |
Net periodic pension cost |  | $ | 26 |  |  | $ | 85 |  |  | $ | 52 |  |  | $ | 170 |
The Company does not expect to contribute to its United States defined benefit plans in 2017. United Kingdom Defined Benefit Plans Net periodic pension costs for the United Kingdom defined benefit pension plan for the three- and six-month periods ended June 30, 2017 and 2016 are as follows:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
Interest cost |  | $ | 55 |  |  | $ | 75 |  |  | $ | 110 |  |  | $ | 150 |
Expected return on plan assets |  | (66 | ) |  | (84 | ) |  | (132 | ) |  | (168 | )
Amortization of prior service costs and transition amount |  | 4 |  |  | 5 |  |  | 8 |  |  | 10 |
Recognized net actuarial loss |  | 71 |  |  | 39 |  |  | 142 |  |  | 78 |
Net periodic pension cost |  | $ | 64 |  |  | $ | 35 |  |  | $ | 128 |  |  | $ | 70 |
United Kingdom regulations require trustees to adopt a prudent approach to funding required contributions to defined benefit pension plans. Employer contributions of approximately $244 are anticipated to the United Kingdom Rail Technologies pension plan during 2017. For the six months ended June 30, 2017, the Company contributed approximately $122 to the plan. Defined Contribution Plans The Company sponsors eight defined contribution plans for hourly and salaried employees across our domestic and international facilities. The following table summarizes the expense associated with the contributions made to these plans.
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
United States |  | $ | 410 |  |  | $ | 445 |  |  | $ | 861 |  |  | $ | 1,137 |
Canada |  | 54 |  |  | 67 |  |  | 113 |  |  | 118 |
United Kingdom |  | 98 |  |  | 160 |  |  | 213 |  |  | 218 |
|  | $ | 562 |  |  | $ | 672 |  |  | $ | 1,187 |  |  | $ | 1,473 |

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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