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Fair Value (Tables)

6 Months Ended

Jul. 31, 2023

Fair Value Disclosures [Abstract]

Financial Assets Measured at Fair Value on Recurring Basis

The Company’s financial assets that are accounted for at fair value on a recurring basis are presented in the tables below:

		Marketable Securities Fair Value as of
		July 31, 2023
		Level 1				Level 2				Level 3				Total
Assets:
Corporate bonds		$	—			$	141,754			$	—			$	141,754
Federal government agencies			—				91,574				—				91,574
Municipal and pre-refunded municipal bonds			—				61,191				—				61,191
Commercial paper			—				41,719				—				41,719
US Treasury securities			—				21,553				—				21,553
Mutual funds, held in rabbi trust			13,898				—				—				13,898
Certificates of deposit			—				1,499				—				1,499
		$	13,898			$	359,290			$	—			$	373,188

		Marketable Securities Fair Value as of
		January 31, 2023
		Level 1				Level 2				Level 3				Total
Assets:
Corporate bonds		$	—			$	141,534			$	—			$	141,534
Federal government agencies			—				15,532				—				15,532
Municipal and pre-refunded municipal bonds			—				69,741				—				69,741
Commercial paper			—				21,636				—				21,636
US Treasury securities			—				23,552				—				23,552
Mutual funds, held in rabbi trust			11,978				—				—				11,978
Certificates of deposit			—				249				—				249
		$	11,978			$	272,244			$	—			$	284,222

		Marketable Securities Fair Value as of
		July 31, 2022
		Level 1				Level 2				Level 3				Total
Assets:
Corporate bonds		$	—			$	167,367			$	—			$	167,367
Federal government agencies							338				—				338
Municipal and pre-refunded municipal bonds			—				120,502				—				120,502
US Treasury securities			—				12,756				—				12,756
Mutual funds, held in rabbi trust			11,336				—				—				11,336
Certificates of deposit			—				249				—				249
		$	11,336			$	301,212			$	—			$	312,548

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- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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