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Fair Value (Tables)
3 Months Ended
Apr. 30, 2022
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, 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

 

US Treasury securities

 

 

 

 

 

12,744

 

 

 

 

 

 

12,744

 

Mutual funds, held in rabbi trust

 

 

11,437

 

 

 

 

 

 

 

 

 

11,437

 

Commercial paper

 

 

 

 

 

7,789

 

 

 

 

 

 

7,789

 

Federal government agencies

 

 

 

 

 

338

 

 

 

 

 

 

338

 

Certificates of deposit

 

 

 

 

 

249

 

 

 

 

 

 

249

 

 

 

$

11,437

 

 

$

355,584

 

 

$

 

 

$

367,021

 

 

 

 

Marketable Securities Fair Value as of

 

 

 

January 31, 2022

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Assets:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate bonds

 

$

 

 

$

231,215

 

 

$

 

 

$

231,215

 

Municipal and pre-refunded municipal bonds

 

 

 

 

 

188,334

 

 

 

 

 

 

188,334

 

US Treasury securities

 

 

 

 

 

20,137

 

 

 

 

 

 

20,137

 

Mutual funds, held in rabbi trust

 

 

11,813

 

 

 

 

 

 

 

 

 

11,813

 

Commercial paper

 

 

 

 

 

10,884

 

 

 

 

 

 

10,884

 

Federal government agencies

 

 

 

 

 

345

 

 

 

 

 

 

345

 

Certificates of deposit

 

 

 

 

 

249

 

 

 

 

 

 

249

 

 

 

$

11,813

 

 

$

451,164

 

 

$

 

 

$

462,977

 

 

 

 

Marketable Securities Fair Value as of

 

 

 

April 30, 2021

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Assets:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate bonds

 

$

 

 

$

97,193

 

 

$

 

 

$

97,193

 

Municipal and pre-refunded municipal bonds

 

 

 

 

 

146,241

 

 

 

 

 

 

146,241

 

Mutual funds, held in rabbi trust

 

 

11,885

 

 

 

 

 

 

 

 

 

11,885

 

Commercial paper

 

 

 

 

 

9,791

 

 

 

 

 

 

9,791

 

 

 

$

11,885

 

 

$

253,225

 

 

$

 

 

$

265,110