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Restructuring Charges, Net - Changes In Restructuring Liability (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jan. 31, 2020	Jan. 31, 2020
Restructuring And Related Activities [Abstract]
Restructuring Liability, Beginning balance	$ 528	$ 531
Restructuring charges, net	18,093	18,093
Reductions for cash payments	(11,075)	(11,075)
Non-cash payments	(1,284)	(1,284)
Exchange rate fluctuations	12	9
Restructuring Liability, Ending balance	$ 6,274	$ 6,274

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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