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Employee Retirement Plans (Tables) | 6 Months Ended
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Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Primary Components of Net Periodic Benefits | The primary components of Net Periodic Benefits consist of the following:
(In thousands) | Three Months Ended September 30, 2017 |  | Six Months Ended September 30, 2017
Interest cost | $ | 634 |  |  | $ | 1,263 |
Expected return on assets | (725 | ) |  | (1,451 | )
Net periodic benefit cost (income) | $ | (91 | ) |  | $ | (188 | )

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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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