v3.26.1
Derivative Instruments
 6 Months Ended
Mar. 31, 2026
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivative Instruments Derivative Instruments
The Company has transactions and balances denominated in currencies other than the functional currency of the transacting entity. Most of these transactions carry foreign exchange risk in Germany, the United Kingdom and China. The Company enters into foreign exchange contracts to reduce its exposure to currency fluctuations. Net gains and losses related to foreign exchange contracts are recorded as a component of “Other income, net” in the Condensed Consolidated Statements of Operations and were as follows for the three and six months ended March 31, 2026 and 2025 (in thousands):
Three Months Ended
March 31,		Six Months Ended
March 31,
2026202520262025
Realized gains (losses) on derivatives not designated as hedging instruments$265 $(1,407)$246 $(212)
The notional amounts of the Company’s derivative instruments as of March 31, 2026 and September 30, 2025 were as follows (in thousands):
Hedge DesignationMarch 31,
2026		September 30,
2025
Cross-currency swapNet Investment Hedge$260,025 $260,025 
Foreign exchange contractsUndesignated42,340 44,603 
The fair values of the foreign exchange contracts are recorded in the Condensed Consolidated Balance Sheets as “Prepaid expenses and other current assets” and “Accrued expenses and other current liabilities”. Foreign exchange contract assets and liabilities are measured and reported at fair value based on observable market inputs and classified within Level 2 of the fair value hierarchy described further in Note 2, Summary of Significant Accounting Policies in the notes to the audited consolidated financial statements included in the section titled “Financial Statements and Supplementary Data” in Part II, Item 8 of the 2025 Annual Report on Form 10-K and in Note 13, Fair Value Measurements below due to a lack of an active market for these contracts.
Hedging Activities
On February 1, 2024, the Company entered into a cross-currency swap agreement to hedge the variability of exchange rate impacts between the U.S. dollar and the Euro. Under the terms of the cross-currency swap agreement, the Company notionally exchanged $76.0 million for €70.0 million at a weighted average interest rate of 1.44%. The Company designated the cross-currency swap as a hedge of net investments against one of its Euro denominated subsidiaries, which requires an exchange at maturity of the notional amounts. At the maturity of the cross currency-swap on February 3, 2025, the Company delivered a notional amount of €70.0 million and received a notional amount of $73.0 million at a Euro to U.S. dollar exchange rate of 1.0419, which included a gain of $3.0 million.
On February 3, 2025, the Company entered into another cross-currency swap agreement to hedge the variability of exchange rate impacts between the U.S. dollar and the Euro. Under the terms of the cross-currency swap agreement, the Company notionally exchanged $260.0 million for €250.0 million at a weighted average interest rate of 1.80%. The Company designated the cross-currency swap as a hedge of net investments against one of its Euro denominated subsidiaries. The maturity date of the agreement was extended from February 2, 2026 to February 2, 2028 with a weighted average interest rate of 0.6%.
The unrealized losses of the cross-currency swaps were $29.6 million and $33.4 million and are recorded within a “Derivative liability” as of March 31, 2026 and September 30, 2025, respectively, in the Condensed Consolidated Balance Sheets.
The outstanding cross-currency swap is marked to market at each reporting period, representing the fair value of the cross-currency swap, any changes in fair value are recognized as a component of “Accumulated other comprehensive loss” in the Condensed Consolidated Balance Sheets. The cross-currency swap is classified within Level 2 of the fair value hierarchy described in Note 2, Summary of Significant Accounting Policies in the notes to the audited consolidated financial statements included in the section titled “Financial Statements and Supplementary Data” in Part II, Item 8 of the 2025 Annual Report on Form 10-K and in Note 13, Fair Value Measurements below.
Interest earned on the cross-currency swaps is recorded within “Interest income, net” in the Condensed Consolidated Statements of Operations. For the three months ended March 31, 2026 and 2025, the Company recorded interest income of $0.6 million and $0.8 million, respectively, on these instruments. For the six months ended March 31, 2026 and 2025, the Company recorded interest income of $1.8 million and $1.1 million, respectively, on these instruments.