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Intangible Assets (Tables)

3 Months Ended

Jul. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets

The following table presents a summary of intangible assets as of July 31, 2018 and April 30, 2018 (in thousands):

		July 31, 2018												April 30, 2018
		Gross												Gross
		Carrying				Accumulated				Net Carrying				Carrying				Accumulated				Net Carrying
		Amount				Amortization				Amount				Amount				Amortization				Amount
Customer relationships		$	92,360			$	(30,719	)		$	61,641			$	92,360			$	(28,252	)		$	64,108
Developed technology			21,130				(9,461	)			11,669				21,130				(8,178	)			12,952
Patents, trademarks, and trade names			56,879				(23,840	)			33,039				56,718				(22,099	)			34,619
Backlog			1,150				(1,150	)			—				1,150				(1,150	)			—
			171,519				(65,170	)			106,349				171,358				(59,679	)			111,679
Patents in progress			879				—				879				855				—				855
Total definite-lived intangible assets			172,398				(65,170	)			107,228				172,213				(59,679	)			112,534
Indefinite-lived intangible assets			226				—				226				226				—				226
Total intangible assets		$	172,624			$	(65,170	)		$	107,454			$	172,439			$	(59,679	)		$	112,760

Schedule of Future Expected Amortization Expense

Estimated amortization expense of intangible assets for the remainder of fiscal 2019 and succeeding fiscal years is as follows:

Fiscal		Amount
2019		$	16,449
2020			19,114
2021			16,506
2022			14,125
2023			11,762
Thereafter			28,393
Total		$	106,349

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- References

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
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- Definition

Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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