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Pension Plans (Tables) | 3 Months Ended
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Aug. 31, 2017
Retirement Benefits [Abstract] |
Components of Net Periodic Benefit Cost | The components of net periodic pension cost recognized in other comprehensive income for the Pension Plan for the three months ended August 31, 2017 are as follows:
(in thousands) |  | August 31, 2017
Interest cost |  | $ | 711 |
Expected return on assets |  | (716 | )
Amortization of net loss |  | — |
Total net periodic benefit cost |  | $ | (5 | )

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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