Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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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.

+ References

No definition available.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
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Business Acquisitions - Preliminary components of intangible assets (Details) - USD ($) $ in Thousands		12 Months Ended
	Jun. 01, 2018	Apr. 30, 2019	Apr. 30, 2018
Customer relationships
Acquisition of Titan
Weighted Average Amortization Period (in years)		12 years 9 months 18 days	10 years 10 months 24 days
Tradenames
Acquisition of Titan
Weighted Average Amortization Period (in years)		16 years 3 months 18 days	18 years
Developed technology
Acquisition of Titan
Weighted Average Amortization Period (in years)		4 years 10 months 24 days
Other intangible assets
Acquisition of Titan
Weighted Average Amortization Period (in years)		3 years 4 months 24 days	5 years
Titan
Acquisition of Titan
Fair value	$ 286,954	$ 286,954
Titan \| Customer relationships
Acquisition of Titan
Fair value	$ 246,954
Weighted Average Amortization Period (in years)	15 years
Titan \| Tradenames
Acquisition of Titan
Fair value	$ 30,870
Weighted Average Amortization Period (in years)	15 years
Titan \| Developed technology
Acquisition of Titan
Fair value	$ 5,402
Weighted Average Amortization Period (in years)	5 years
Titan \| Non-compete agreements
Acquisition of Titan
Fair value	$ 2,856
Weighted Average Amortization Period (in years)	3 years
Titan \| Other intangible assets
Acquisition of Titan
Fair value	$ 872
Weighted Average Amortization Period (in years)	3 years