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Fair Value (Tables)

9 Months Ended

Oct. 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
		October 31, 2024
		Level 1				Level 2				Level 3				Total
Assets:
Corporate bonds		$	—			$	288,870			$	—			$	288,870
Federal government agencies			—				107,478				—				107,478
Municipal and pre-refunded municipal bonds			—				80,962				—				80,962
US Treasury securities			—				61,141				—				61,141
Certificates of deposit			—				21,499				—				21,499
Mutual funds, held in rabbi trust			17,789				—				—				17,789
Commercial paper			—				2,943				—				2,943
		$	17,789			$	562,893			$	—			$	580,682

		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
Municipal and pre-refunded municipal bonds			—				86,878				—				86,878
US Treasury securities			—				61,942				—				61,942
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
		October 31, 2023
		Level 1				Level 2				Level 3				Total
Assets:
Corporate bonds		$	—			$	153,834			$	—			$	153,834
Federal government agencies			—				114,798				—				114,798
Municipal and pre-refunded municipal bonds			—				57,479				—				57,479
US Treasury securities			—				20,478				—				20,478
Certificates of deposit			—				1,499				—				1,499
Mutual funds, held in rabbi trust			13,051				—				—				13,051
Commercial paper			—				20,976				—				20,976
		$	13,051			$	369,064			$	—			$	382,115

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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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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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