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Business Acquisitions - Pulse (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Apr. 30, 2021
Business Acquisitions
Holdback and retention payments	$ 5,991
Business Combinations, Assets Acquired and Liabilities Assumed at Acquisition Date
Goodwill	335,029		$ 314,205
Supplemental Pro forma Information
Amortization of Intangible Assets	6,973	$ 709
Pulse Aerospace, LLC | Maximum
Fair value of consideration transferred:
Cash	$ 6,000,000

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- Definition

Amount of cash outflow related to payments for holdback and retention payments for business acquisitions.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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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.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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