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RETIREMENT AND POSTRETIREMENT BENEFIT PLANS (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Settlement charges (1) |  | $ 73,562 |  | $ 79,652 |
Minimum | Forecast |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Settlement charges (1) | $ 35,000 |  |  |  |
Maximum | Forecast |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Settlement charges (1) | $ 45,000 |  |  |  |
United States |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Service cost |  | 49 | $ 39 | 146 | $ 117
Interest cost |  | 2,622 | 3,346 | 8,675 | 11,447
Expected return on plan assets |  | (3,888) | (6,009) | (12,595) | (17,431)
Amortization of prior service cost |  | 0 | 0 |  |
Amortization of net loss |  | 616 | 459 | 1,867 | 865
Settlement charges (1) |  | 73,562 | 3,188 | 79,652 | 6,522
Defined benefit plans |  | 72,961 | 1,023 | 77,745 | 1,520
Multi-employer plans |  | 0 | 0 |  |
Defined contribution plans |  | 6,572 | 4,945 | 17,606 | 15,322
Total pension cost |  | 79,533 | 5,968 | 95,351 | 16,842
Foreign Plan [Member] |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Service cost |  | 395 | 718 | 1,190 | 2,216
Interest cost |  | 924 | 673 | 1,932 | 2,052
Expected return on plan assets |  | (1,487) | (1,076) | (2,996) | (3,097)
Amortization of prior service cost |  | 1 | 15 | 12 | 46
Amortization of net loss |  | 291 | 468 | 737 | 1,563
Settlement charges (1) |  | 0 | 0 | 446 |
Defined benefit plans |  | 124 | 798 | 1,321 | 2,780
Multi-employer plans |  | 138 | 274 | 640 | 800
Defined contribution plans |  | 898 | 931 | 2,296 | 2,406
Total pension cost |  | $ 1,160 | $ 2,003 | $ 4,257 | $ 5,986

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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. + References Reference 1: 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=123450688&loc=d3e4179-114921 Reference 2: 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=123450688&loc=d3e4587-114921 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 4: 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=123453770&loc=SL108413299-114919 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 + Details
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