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Pension and Postretirement Benefits (Tables) | 9 Months Ended
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Sep. 30, 2017
Compensation And Retirement Disclosure [Abstract] |
Components of Net Periodic Benefit Cost and Other Amounts Recognized in Other Comprehensive Income of Viad's Postretirement Benefit Plans | The components of net periodic benefit cost of Viad’s pension and postretirement benefit plans for the three months ended September 30, 2017 and 2016 included the following:
|  | Domestic Plans |  |  |  |  |  |  |  |  |
|  | Pension Plans |  |  | Postretirement Benefit Plans |  |  | Foreign Pension Plans |
(in thousands) |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Service cost |  | $ | 8 |  |  | $ | 54 |  |  | $ | 22 |  |  | $ | 5 |  |  | $ | 138 |  |  | $ | 123 |
Interest cost |  |  | 197 |  |  |  | 257 |  |  |  | 92 |  |  |  | 126 |  |  |  | 120 |  |  |  | 124 |
Expected return on plan assets |  |  | (55 | ) |  |  | (62 | ) |  |  | — |  |  |  | — |  |  |  | (156 | ) |  |  | (142 | )
Amortization of prior service credit |  |  | — |  |  |  | — |  |  |  | (107 | ) |  |  | (125 | ) |  |  | — |  |  |  | — |
Recognized net actuarial loss |  |  | 106 |  |  |  | 105 |  |  |  | 3 |  |  |  | 46 |  |  |  | 48 |  |  |  | 1 |
Net periodic benefit cost |  | $ | 256 |  |  | $ | 354 |  |  | $ | 10 |  |  | $ | 52 |  |  | $ | 150 |  |  | $ | 106 |
The components of net periodic benefit cost of Viad’s pension and postretirement benefit plans for the nine months ended September 30, 2017 and 2016 included the following:
|  | Domestic Plans |  |  |  |  |  |  |  |  |
|  | Pension Plans |  |  | Postretirement Benefit Plans |  |  | Foreign Pension Plans |
(in thousands) |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Service cost |  | $ | 56 |  |  | $ | 74 |  |  | $ | 69 |  |  | $ | 74 |  |  | $ | 396 |  |  | $ | 368 |
Interest cost |  |  | 604 |  |  |  | 774 |  |  |  | 311 |  |  |  | 429 |  |  |  | 348 |  |  |  | 368 |
Expected return on plan assets |  |  | (162 | ) |  |  | (192 | ) |  |  | — |  |  |  | — |  |  |  | (450 | ) |  |  | (421 | )
Amortization of prior service credit |  |  | — |  |  |  | — |  |  |  | (323 | ) |  |  | (377 | ) |  |  | — |  |  |  | — |
Recognized net actuarial loss |  |  | 336 |  |  |  | 318 |  |  |  | 123 |  |  |  | 221 |  |  |  | 137 |  |  |  | 2 |
Net periodic benefit cost |  | $ | 834 |  |  | $ | 974 |  |  | $ | 180 |  |  | $ | 347 |  |  | $ | 431 |  |  | $ | 317 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + 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 (h) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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