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Fair Value (Tables)

3 Months Ended

Apr. 30, 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
		April 30, 2023
		Level 1				Level 2				Level 3				Total
Assets:
Corporate bonds		$	—			$	125,538			$	—			$	125,538
Municipal and pre-refunded municipal bonds			—				63,090				—				63,090
Commercial paper			—				35,874				—				35,874
Federal government agencies			—				35,568				—				35,568
US Treasury securities			—				22,888				—				22,888
Mutual funds, held in rabbi trust			12,726				—				—				12,726
Certificates of deposit			—				249				—				249
		$	12,726			$	283,207			$	—			$	295,933

		Marketable Securities Fair Value as of
		January 31, 2023
		Level 1				Level 2				Level 3				Total
Assets:
Corporate bonds		$	—			$	141,534			$	—			$	141,534
Municipal and pre-refunded municipal bonds			—				69,741				—				69,741
Commercial paper			—				21,636				—				21,636
Federal government agencies			—				15,532				—				15,532
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
		April 30, 2022
		Level 1				Level 2				Level 3				Total
Assets:
Corporate bonds		$	—			$	197,116			$	—			$	197,116
Municipal and pre-refunded municipal bonds			—				137,348				—				137,348
Commercial paper			—				7,789				—				7,789
Federal government agencies							338				—				338
US Treasury securities			—				12,744				—				12,744
Mutual funds, held in rabbi trust			11,437				—				—				11,437
Certificates of deposit			—				249				—				249
		$	11,437			$	355,584			$	—			$	367,021

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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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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