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NET PERIODIC BENEFIT COST - DEFINED BENEFIT PLANS | 3 Months Ended
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Apr. 03, 2021
Retirement Benefits [Abstract] |
NET PERIODIC BENEFIT COSTS - DEFINED BENEFIT PLANS | NET PERIODIC BENEFIT COST — DEFINED BENEFIT PLANSFollowing are the components of net periodic pension (benefit) expense for the three months ended April 3, 2021 and March 28, 2020:
| Year-to-Date
| Pension Benefits |  | Other Benefits
| U.S. Plans |  | Non-U.S. Plans |  | All Plans
(Millions of Dollars) | 2021 |  | 2020 |  | 2021 |  | 2020 |  | 2021 |  | 2020
Service cost | $ | 1.6 |  |  | $ | 1.7 |  |  | $ | 4.4 |  |  | $ | 4.0 |  |  | $ | 0.1 |  |  | $ | 0.1 |
Interest cost | 5.7 |  |  | 8.8 |  |  | 4.3 |  |  | 5.6 |  |  | 0.2 |  |  | 0.4 |
Expected return on plan assets | (13.7) |  |  | (14.7) |  |  | (10.0) |  |  | (10.3) |  |  | — |  |  | — |
Amortization of prior service cost (credit) | 0.3 |  |  | 0.3 |  |  | (0.2) |  |  | (0.2) |  |  | (0.2) |  |  | (0.3) |
Actuarial loss amortization | 2.3 |  |  | 2.1 |  |  | 3.5 |  |  | 2.9 |  |  | — |  |  | 0.1 |
Settlement / curtailment loss | — |  |  | — |  |  | 0.1 |  |  | 0.1 |  |  | — |  |  | — |
Net periodic pension (benefit) expense | $ | (3.8) |  |  | $ | (1.8) |  |  | $ | 2.1 |  |  | $ | 2.1 |  |  | $ | 0.1 |  |  | $ | 0.3 |
The components of net periodic benefit cost other than the service cost component are included in Other, net in the Consolidated Statements of Operations and Comprehensive Income (Loss).

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- References No definition available. + Details
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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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