v3.26.1
Fair Value Measurements (Tables)
6 Months Ended
Mar. 31, 2026
Fair Value Disclosures [Abstract]  
Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis
The following table summarizes the fair value of our assets and liabilities that were accounted for at fair value on a recurring basis as of March 31, 2026 (in thousands):
 
 Fair Value Measurements at March 31, 2026
Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
Significant Other
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Fair Value at
March 31,
2026
Assets:    
Cash and cash equivalents$537,712 $— $— $537,712 
Short-term investments7,177 — — 7,177 
Rabbi trust assets— 15,050 — 15,050 
Liabilities:    
Deferred compensation— 14,831 — 14,831 
Contingent future payments related to the acquisition of Remsdaq— — 2,574 2,574 
The following table summarizes the fair value of our assets and liabilities that were accounted for at fair value on a recurring basis as of September 30, 2025 (in thousands):
 Fair Value Measurements at September 30, 2025
Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
Significant Other
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Fair Value at
September 30,
2025
Assets:    
Cash and cash equivalents$450,739 $— $— $450,739 
Short-term investments24,788 — — 24,788 
Rabbi trust assets— 13,931 — 13,931 
Liabilities:    
Deferred compensation— 13,707 — 13,707 
Contingent future payments related to the acquisition of Remsdaq— — 2,344 2,344