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Fair Value (Tables)

6 Months Ended

Jul. 31, 2024

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, 2024
		Level 1				Level 2				Level 3				Total
Assets:
Corporate bonds		$	—			$	258,930			$	—			$	258,930
Federal government agencies			—				109,279				—				109,279
US Treasury securities			—				79,197				—				79,197
Municipal and pre-refunded municipal bonds			—				72,326				—				72,326
Certificates of deposit			—				21,499				—				21,499
Mutual funds, held in rabbi trust			17,693				—				—				17,693
Commercial paper			—				2,905				—				2,905
		$	17,693			$	544,136			$	—			$	561,829

		Marketable Securities Fair Value as of
		January 31, 2024
		Level 1				Level 2				Level 3				Total
Assets:
Corporate bonds		$	—			$	270,539			$	—			$	270,539
Federal government agencies			—				134,413				—				134,413
US Treasury securities			—				61,942				—				61,942
Municipal and pre-refunded municipal bonds			—				86,878				—				86,878
Certificates of deposit			—				21,499				—				21,499
Mutual funds, held in rabbi trust			15,068				—				—				15,068
Commercial paper			—				10,557				—				10,557
		$	15,068			$	585,828			$	—			$	600,896

		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
US Treasury securities			—				21,553				—				21,553
Municipal and pre-refunded municipal bonds			—				61,191				—				61,191
Certificates of deposit			—				1,499				—				1,499
Mutual funds, held in rabbi trust			13,898				—				—				13,898
Commercial paper			—				41,719				—				41,719
		$	13,898			$	359,290			$	—			$	373,188

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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://www.xbrl.org/2009/role/commonPracticeRef
-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

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-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_
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