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Pension And Other Postretirement Benefit Plans | 9 Months Ended
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Dec. 31, 2018
Defined Benefit Plan [Abstract] |
Pension and Other Postretirement Benefits Disclosure | PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS The Company sponsors several defined benefit pension plans covering U.S. salaried employees and certain foreign and other employee groups. These plans provide retirement benefits based primarily on employee compensation and years of service. The Company also sponsors defined benefit plans that provide postretirement health and life insurance benefits for eligible U.S. employees attaining specific age and service levels, although postretirement life insurance is no longer provided for active employees. The components of the Company’s net periodic benefit cost were as follows:
|  | Pension Benefits |  | Other Postretirement Benefits
|  | Three Months Ended December 31, |  | Three Months Ended December 31,
(in thousands of dollars) |  | 2018 |  | 2017 |  | 2018 |  | 2017
Service cost |  | $ | 1,433 |  |  | $ | 1,314 |  |  | $ | 60 |  |  | $ | 64 |
Interest cost |  | 2,503 |  |  | 2,436 |  |  | 342 |  |  | 381 |
Expected return on plan assets |  | (3,693 | ) |  | (3,717 | ) |  | (24 | ) |  | (22 | )
Net amortization and deferral |  | 902 |  |  | 815 |  |  | (193 | ) |  | (71 | )
Net periodic benefit cost |  | $ | 1,145 |  |  | $ | 848 |  |  | $ | 185 |  |  | $ | 352 |
|  | Pension Benefits |  | Other Postretirement Benefits
|  | Nine Months Ended December 31, |  | Nine Months Ended December 31,
(in thousands of dollars) |  | 2018 |  | 2017 |  | 2018 |  | 2017
Service cost |  | $ | 4,340 |  |  | $ | 3,943 |  |  | $ | 177 |  |  | $ | 193 |
Interest cost |  | 7,469 |  |  | 7,309 |  |  | 1,012 |  |  | 1,150 |
Expected return on plan assets |  | (11,081 | ) |  | (11,151 | ) |  | (74 | ) |  | (66 | )
Net amortization and deferral |  | 2,706 |  |  | 2,445 |  |  | (581 | ) |  | (213 | )
Net periodic benefit cost |  | $ | 3,434 |  |  | $ | 2,546 |  |  | $ | 534 |  |  | $ | 1,064 |
As discussed in Note 2, the Company adopted FASB Accounting Standards Update No. 2017-07, "Compensation-Retirement Benefits (Topic 715)" effective April 1, 2018. Under the provisions of ASU 2017-07, the service cost component of net periodic benefit cost is reported in the same line of the consolidated income statement as other compensation costs attributable to the covered employees (primarily selling, general and administrative expense). The other components of net periodic benefit cost (interest cost, expected return on plan assets, and net amortization and deferral) are now reported separately below the total for operating income in other non-operating income (expense). Amounts have been reclassified accordingly for the comparative prior reporting periods. During the nine months ended December 31, 2018, the Company made contributions of approximately $21.9 million to its pension plans. Additional contributions of $7.7 million are expected during the remaining three months of fiscal year 2019.

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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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