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Retirement Plans | 9 Months Ended
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Jan. 31, 2018
Retirement Plans [Abstract] |
Retirement Plans |
12. | Retirement Plans
The components of net pension (income) expense for the Company’s global defined benefit plans were as follows:
|  | Three Months Ended January 31, |  |  | Nine Months Ended January 31, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Service cost |  | $ | 243 |  |  | $ | 241 |  |  | $ | 715 |  |  | $ | 744 |
Interest cost |  |  | 6,407 |  |  |  | 6,565 |  |  |  | 19,005 |  |  |  | 20,269 |
Expected return on plan assets |  |  | (9,924 | ) |  |  | (8,588 | ) |  |  | (29,363 | ) |  |  | (26,619 | )
Net amortization of prior service cost |  |  | (24 | ) |  |  | (26 | ) |  |  | (72 | ) |  |  | (75 | )
Recognized net actuarial loss |  |  | 1,536 |  |  |  | 1,268 |  |  |  | 4,550 |  |  |  | 3,900 |
Pension plan actuarial loss |  |  | - |  |  |  | - |  |  |  | 21 |  |  |  | 8,842 |
Net pension (income) expense |  | $ | (1,762 | ) |  | $ | (540 | ) |  | $ | (5,144 | ) |  | $ | 7,061 |
Employer defined benefit pension plan contributions were $2.8 million and $3.2 million for the three months ended January 31, 2018 and 2017, respectively, and $8.4 million and $13.8 million for the nine months ended January 31, 2018 and 2017, respectively. Contributions for employer defined contribution plans were approximately $3.4 million and $3.1 million for the three months ended January 31, 2018 and 2017, respectively, and $11.3 million and $11.6 million for the nine months ended January 31, 2018 and 2017, respectively.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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