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Retirement Benefits - (Tables) | 9 Months Ended
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Sep. 30, 2019
Retirement Benefits [Abstract] |
Schedule of components of net periodic pension expense | Net periodic pension expense for the company’s defined benefit pension plans includes the following components:
|  | Location in Condensed Consolidated Statement of Operations |  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands) |  |  | 2019 |  | 2018 |  | 2019 |  | 2018
Service cost |  | Total cost of revenue |  | $ | 3,917 |  |  | $ | 4,436 |  |  | $ | 11,846 |  |  | $ | 13,644 |
Interest cost |  | Corporate general and administrative expense |  | 4,832 |  |  | 5,537 |  |  | 14,731 |  |  | 17,118 |
Expected return on assets |  | Corporate general and administrative expense |  | (8,068 | ) |  | (9,685 | ) |  | (24,540 | ) |  | (29,919 | )
Amortization of prior service credit |  | Corporate general and administrative expense |  | (220 | ) |  | (230 | ) |  | (667 | ) |  | (709 | )
Recognized net actuarial loss |  | Corporate general and administrative expense |  | 2,529 |  |  | 1,803 |  |  | 7,736 |  |  | 5,573 |
Loss on settlement |  | Corporate general and administrative expense |  | — |  |  | 18,641 |  |  | — |  |  | 20,534 |
Net periodic pension expense |  |  |  | $ | 2,990 |  |  | $ | 20,502 |  |  | $ | 9,106 |  |  | $ | 26,241 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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