XML 44 R34.htm IDEA: XBRL DOCUMENT
v3.19.2

Pension Benefits (Tables) | 3 Months Ended
--- | ---
Jul. 31, 2019
Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract] |
Net Periodic Pension (Benefit) Cost | Net periodic pension benefit cost consisted of the following for the three-month periods ended July 31, 2019 and 2018:
|  | Three Months Ended
|  | July 31,
(in thousands) |  | 2019 |  | 2018
Interest cost |  | $ | 1,493 |  |  | $ | 1,567 |
Expected return on plan assets |  | (2,081 | ) |  | (2,127 | )
Recognized net actuarial loss |  | 423 |  |  | 412 |
Net periodic pension benefit |  | $ | (165 | ) |  | $ | (148 | )

X
- References No definition available. + Details
Name: | us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration