v3.26.1
Fair Value Measurements (Tables)
9 Months Ended
Jun. 30, 2026
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Financial assets (liabilities) measured at fair value on a recurring basis as of June 30, 2026 and September 30, 2025, are summarized in the following tables by the type of inputs applicable to the fair value measurements:
June 30, 2026
Total Fair ValueQuoted Prices (Level 1)Significant Unobservable Inputs (Level 3)
Equity securities$310,582 $310,582 $— 
Executive savings plan assets831 831 — 
Executive savings plan liabilities(694)(694)— 
Contingent consideration liability(2,500)— (2,500)
Total$308,219 $310,719 $(2,500)
September 30, 2025
Total Fair ValueQuoted Prices (Level 1)Significant Unobservable Inputs (Level 3)
Equity securities$104,587 $104,587 $— 
Executive savings plan assets1,120 1,120 — 
Executive savings plan liabilities(984)(984)— 
Contingent consideration liability(2,113)— (2,113)
Total$102,610 $104,723 $(2,113)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation
The table below presents the change in fair value of liabilities measured using significant unobservable inputs (Level 3).
Contingent consideration liability
Fair value at September 30, 2025
$(2,113)
Net adjustments to fair value included in “Contingent consideration”
(387)
Fair value at June 30, 2026
$(2,500)