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v3.20.2

Employee Benefit Plans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Jun. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Net periodic benefit cost [Abstract] |  |  |  |  |
Total amount amortized out of accumulated other comprehensive income | $ 2,552 | $ 856 |  | $ 7,587 | $ 2,574
Defined contribution plan expense | 12,530 | 12,188 | $ 38,340 | 39,071 |
Post-Retirement Benefits [Member] |  |  |  |  |
Net periodic benefit cost [Abstract] |  |  |  |  |
Service cost | 5 | 5 |  | 15 | 15
Interest cost | 60 | 78 |  | 181 | 234
Prior service cost (credit) | 3 | 3 |  | 10 | 10
Recognized actuarial loss | (3) | (17) |  | (11) | (52)
Net periodic (income)/expense | 65 | 69 |  | 195 | 207
Qualified Plan [Member] | Defined benefit pension plans | United States |  |  |  |  |
Net periodic benefit cost [Abstract] |  |  |  |  |
Service cost | 1,706 | 1,754 |  | 5,118 | 5,262
Interest cost | 4,068 | 4,756 |  | 12,204 | 14,269
Expected return on plan assets | (7,869) | (8,534) |  | (23,607) | (25,602)
Prior service cost (credit) | 57 | 76 |  | 170 | 227
Recognized actuarial loss | 1,884 | 0 |  | 5,652 | 0
Net periodic (income)/expense | (154) | (1,948) |  | (463) | (5,844)
Qualified Plan [Member] | Defined benefit pension plans | Foreign Pension Plans, Defined Benefit [Member] |  |  |  |  |
Net periodic benefit cost [Abstract] |  |  |  |  |
Service cost | 1,366 | 1,429 |  | 3,954 | 4,265
Interest cost | 839 | 1,193 |  | 2,460 | 3,641
Expected return on plan assets | (1,719) | (1,538) |  | (5,033) | (4,664)
Prior service cost (credit) | (126) | (102) |  | (365) | (298)
Recognized actuarial loss | 777 | 763 |  | 2,253 | 2,288
Net periodic (income)/expense | 1,137 | 1,745 |  | 3,269 | 5,232
Nonqualified Plan [Member] | Supplemental Employee Retirement Plans, Defined Benefit [Member] |  |  |  |  |
Net periodic benefit cost [Abstract] |  |  |  |  |
Service cost | 318 | 486 |  | 954 | 1,457
Interest cost | 441 | 668 |  | 1,324 | 2,003
Prior service cost (credit) | 424 | 703 |  | 1,271 | 2,109
Recognized actuarial loss | (464) | (570) |  | (1,393) | (1,710)
Net periodic (income)/expense | $ 719 | $ 1,287 |  | $ 2,156 | $ 3,859

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- Definition Amount of cost recognized for passage of time related to defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109237824&loc=SL108413299-114919 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4587-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 + Details
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