XML 40 R29.htm IDEA: XBRL DOCUMENT v3.21.2
Investments (Tables)
 9 Months Ended
Jun. 30, 2021
Investments Debt And Equity Securities [Abstract]  
Amortized Cost, Unrealized Holding Gains and (Losses) and Fair Value of Available-for-sale Securities

The amortized cost, unrealized holding gains and losses, and fair value of available-for-sale securities were as follows:

 

 

 

June 30, 2021

 

 

 

Valuation

 

 

Balance Sheet Classification

 

(In thousands)

 

Amortized

Cost

 

 

Unrealized

Gains

 

 

Unrealized

Losses

 

 

Fair

Value

 

 

Current Assets

 

 

Noncurrent Assets

 

Commercial paper and

    corporate bonds

 

$

9,794

 

 

$

1

 

 

$

(4

)

 

$

9,791

 

 

$

5,741

 

 

$

4,050

 

Total

 

$

9,794

 

 

$

1

 

 

$

(4

)

 

$

9,791

 

 

$

5,741

 

 

$

4,050

 

 

 

 

September 30, 2020

 

 

 

Valuation

 

 

Balance Sheet Classification

 

(In thousands)

 

Amortized

Cost

 

 

Unrealized

Gains

 

 

Unrealized

Losses

 

 

Fair

Value

 

 

Current Assets

 

 

Noncurrent Assets

 

Commercial paper and

    corporate bonds

 

$

30,313

 

 

$

19

 

 

$

(19

)

 

$

30,313

 

 

$

30,313

 

 

$

—

 

Total

 

$

30,313

 

 

$

19

 

 

$

(19

)

 

$

30,313

 

 

$

30,313

 

 

$

—