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Fair value measurement (Tables)
12 Months Ended
Sep. 30, 2021
Fair value measurement  
Cash And Cash Equivalents And Available For Sale Securities At Fair Value

The following table sets forth the cash and cash equivalents, and short-term investments as of September 30, 2021:

Gross

Gross

Amortized

unrealized

unrealized

(in thousands)

    

cost

    

gains

    

losses

    

Fair value

Cash and cash equivalents

$

465,829

$

$

$

465,829

Short-term investments

12,033

1

12,034

Total

$

477,862

$

1

$

$

477,863

The following table sets forth the cash and cash equivalents, and short-term investments as of September 30, 2020:

Gross

Gross

Amortized

unrealized

unrealized

(in thousands)

    

cost

    

gains

    

losses

    

Fair value

Cash and cash equivalents

$

93,667

$

$

$

93,667

Short-term investments

196,320

15

196,335

Total

$

289,987

$

15

$

$

290,002

Summary of Company's Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis

As of September 30, 2021, financial assets and liabilities measured and recognized at fair value are as follows:

(in thousands)

    

Level 1

    

Level 2

    

Level 3

    

Fair value

Assets

 

  

 

  

 

  

 

  

Money market funds

$

430,438

$

$

$

430,438

U.S. government treasury bills

 

12,034

 

 

 

12,034

Total financial assets

$

442,472

$

$

$

442,472

Liabilities

 

  

 

  

 

  

 

  

Contingent consideration and indemnity holdback

$

$

9,856

$

$

9,856

Total financial liabilities

$

$

9,856

$

$

9,856

As of September 30, 2020, financial assets and liabilities measured and recognized at fair value are as follows:

(in thousands)

    

Level 1

    

Level 2

    

Level 3

    

Fair value

Assets

 

  

 

  

 

  

 

  

Money market funds

$

73,413

$

$

$

73,413

Commercial paper

 

 

94,840

 

 

94,840

U.S. government treasury bills

 

101,495

 

 

 

101,495

Total financial assets

$

174,908

$

94,840

$

$

269,748