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Retirement Plans | 6 Months Ended
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Sep. 30, 2018
Retirement Benefits [Abstract] |
Retirement Plans | Retirement Plans The following tables present the components of the Company’s net periodic benefit cost related to its defined benefit pension plans:
|  | United States Plans |  | International Plans
Quarter ended |  | Quarter ended
September 30, 2018 |  | October 1, 2017 |  | September 30, 2018 |  | October 1, 2017
Service cost |  | $ | — |  |  | $ | — |  |  | $ | 252 |  |  | $ | 256 |
Interest cost |  | 157 |  |  | 167 |  |  | 457 |  |  | 444 |
Expected return on plan assets |  | (135 | ) |  | (120 | ) |  | (535 | ) |  | (557 | )
Amortization and deferral |  | 36 |  |  | 80 |  |  | 304 |  |  | 360 |
Net periodic benefit cost |  | $ | 58 |  |  | $ | 127 |  |  | $ | 478 |  |  | $ | 503 |
|  | United States Plans |  | International Plans
Six months ended |  | Six months ended
September 30, 2018 |  | October 1, 2017 |  | September 30, 2018 |  | October 1, 2017
Service cost |  | $ | — |  |  | $ | — |  |  | $ | 507 |  |  | $ | 499 |
Interest cost |  | 316 |  |  | 334 |  |  | 927 |  |  | 876 |
Expected return on plan assets |  | (257 | ) |  | (240 | ) |  | (1,087 | ) |  | (1,105 | )
Amortization and deferral |  | 92 |  |  | 159 |  |  | 616 |  |  | 711 |
Net periodic benefit cost |  | $ | 151 |  |  | $ | 253 |  |  | $ | 963 |  |  | $ | 981 |

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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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