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Goodwill and Intangible Assets - Changes in Carrying Amounts of Goodwill (Details)	6 Months Ended
	Jul. 31, 2022 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 351,141,000
Reduction	(835,000)
Ending balance	350,306,000
Goodwill, impairment loss	0
Disposal by Sale | Micross Components, Inc.
Goodwill [Roll Forward]
Reduction	(800,000)
Signal Integrity
Goodwill [Roll Forward]
Beginning balance	274,085,000
Reduction	0
Ending balance	274,085,000
Wireless and Sensing
Goodwill [Roll Forward]
Beginning balance	72,128,000
Reduction	(835,000)
Ending balance	71,293,000
Protection
Goodwill [Roll Forward]
Beginning balance	4,928,000
Reduction	0
Ending balance	$ 4,928,000

X

- Definition

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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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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