Financial Instruments - Summary of Gains and Losses on Interest Rate Swap (Detail) - Interest Rate Swap - USD ($) $ in Thousands |
12 Months Ended | ||
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Apr. 30, 2019 |
Apr. 30, 2018 |
Apr. 30, 2017 |
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| Derivative [Line Items] | |||
| (Losses) gains recognized in other comprehensive income (net of tax effects of ($281), $828, and ($406), respectively) | $ (800) | $ 1,465 | $ (635) |
| Gains (losses) reclassified from accumulated other comprehensive income into interest (expense) income, net | $ 376 | $ (730) | $ (94) |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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