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Fair Value (Tables)
3 Months Ended
Apr. 30, 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

 

 

 

April 30, 2024

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Assets:

 

 

 

 

 

 

 

 

 

 

 

 

Corporate bonds

 

$

 

 

$

263,704

 

 

$

 

 

$

263,704

 

Federal government agencies

 

 

 

 

 

129,295

 

 

 

 

 

 

129,295

 

Municipal and pre-refunded municipal bonds

 

 

 

 

 

87,823

 

 

 

 

 

 

87,823

 

US Treasury securities

 

 

 

 

 

78,064

 

 

 

 

 

 

78,064

 

Certificates of deposit

 

 

 

 

 

21,499

 

 

 

 

 

 

21,499

 

Mutual funds, held in rabbi trust

 

 

16,360

 

 

 

 

 

 

 

 

 

16,360

 

Commercial paper

 

 

 

 

 

2,991

 

 

 

 

 

 

2,991

 

 

$

16,360

 

 

$

583,376

 

 

$

 

 

$

599,736

 

 

 

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

 

 

 

April 30, 2023

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Assets:

 

 

 

 

 

 

 

 

 

 

 

 

Corporate bonds

 

$

 

 

$

125,538

 

 

$

 

 

$

125,538

 

Federal government agencies

 

 

 

 

 

35,568

 

 

 

 

 

 

35,568

 

Municipal and pre-refunded municipal bonds

 

 

 

 

 

63,090

 

 

 

 

 

 

63,090

 

US Treasury securities

 

 

 

 

 

22,888

 

 

 

 

 

 

22,888

 

Certificates of deposit

 

 

 

 

 

249

 

 

 

 

 

 

249

 

Mutual funds, held in rabbi trust

 

 

12,726

 

 

 

 

 

 

 

 

 

12,726

 

Commercial paper

 

 

 

 

 

35,874

 

 

 

 

 

 

35,874

 

 

 

$

12,726

 

 

$

283,207

 

 

$

 

 

$

295,933