Derivative Financial Instruments (Tables)

6 Months Ended

Mar. 31, 2026

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

The following table shows our derivative instruments measured at gross fair value as reflected in the Consolidated Balance Sheets:

(in thousands)	Fair Value of Derivatives Designated As Hedging Instruments				Fair Value of Derivatives Not Designated As Hedging Instruments
	March 31, 2026		September 30, 2025		March 31, 2026		September 30, 2025
Derivative assets(1):
Forward contracts	$	—	$	2,871	$	735	$	3,136
Option contracts	$	—	$	—	$	6,882	$	6,228
Derivative liabilities(2):
Forward contracts	$	2,149	$	—	$	3,125	$	4,773

(1)As of March 31, 2026 and September 30, 2025, current derivative assets are recorded in Other current assets in the Consolidated Balance Sheets.

(2)As of March 31, 2026 and September 30, 2025, current derivative liabilities are recorded in Accrued expenses and other current liabilities in the Consolidated Balance Sheets.

Schedule of Notional Amounts of Outstanding Forward and Options Contracts

As of March 31, 2026 and September 30, 2025, we had outstanding forward and option contracts not designated as hedging instruments with notional amounts equivalent to the following:

Currency Hedged (in thousands)	March 31, 2026		September 30, 2025
Euro / U.S. Dollar(1)	$	820,821	$	1,202,830
British Pound / U.S. Dollar		16,776		22,974
Israeli Shekel / U.S. Dollar		18,493		20,094
Indian Rupee / U.S. Dollar		54,756		53,465
Japanese Yen / U.S. Dollar(2)		98,390		131,284
Swedish Krona / U.S. Dollar		12,392		21,568
New Taiwan Dollar / U.S. Dollar		8,074		23,098
All other		29,456		42,773
Total	$	1,059,158	$	1,518,086

(1)As of March 31, 2026, $677.5 million of the Euro to U.S. Dollar outstanding notional amount relates to forward contracts and $143.3 million relates to option contracts. As of September 30, 2025, $835.4 million of the Euro to U.S. Dollar outstanding notional amount relates to forward contracts and $367.4 million relates to option contracts.

(2)As of March 31, 2026, $40.4 million of the Japanese Yen to U.S. Dollar outstanding notional amount relates to forward contracts and $58.0 million relates to option contracts. As of September 30, 2025, $41.9 million of the Japanese Yen to U.S. Dollar outstanding notional amount relates to forward contracts and $89.4 million relates to option contracts.

As of March 31, 2026 and September 30, 2025, we had outstanding forward contracts designated as net investment hedges with notional amounts equivalent to the following:

Currency Hedged (in thousands)	March 31, 2026		September 30, 2025
Euro / U.S. Dollar	$	516,854	$	480,198
Japanese Yen / U.S. Dollar		18,957		10,260
Total	$	535,811	$	490,458

Schedule of Net Gains and Losses on Foreign Currency Exposures

The following table shows the effect of our non-designated hedges on the Consolidated Statements of Operations for the three and six months ended March 31, 2026 and March 31, 2025:

(in thousands)		Three months ended					Six months ended
	Location of Gain (Loss)	March 31, 2026		March 31, 2025			March 31, 2026		March 31, 2025
Net realized and unrealized gain (loss), excluding the underlying foreign currency exposure being hedged	Other income, net	$	931	$	(917	)	$	1,143	$	(360	)

The following table shows the effect of our derivative instruments designated as net investment hedges in the Consolidated Statements of Operations for the three and six months ended March 31, 2026 and March 31, 2025:

(in thousands)		Three months ended					Six months ended
	Location of Gain (Loss)	March 31, 2026		March 31, 2025			March 31, 2026		March 31, 2025
Gain (loss) recognized in Other comprehensive income (loss) ("OCI")	OCI	$	8,942	$	(19,898	)	$	8,160	$	13,550
Gain (loss) reclassified from OCI to earnings	n/a	$	—	$	—		$	—	$	—
Gain recognized, excluded portion	Other income, net	$	1,595	$	1,254		$	3,526	$	2,329

Schedule of Offsetting Assets

The following table sets forth the offsetting of derivative assets as of March 31, 2026:

(in thousands)	Gross Amounts Offset in the Consolidated Balance Sheets						Gross Amounts Not Offset in the Consolidated Balance Sheets
As of March 31, 2026	Gross Amount of Recognized Assets		Gross Amounts Offset in the Consolidated Balance Sheets		Net Amounts of Assets Presented in the Consolidated Balance Sheets		Financial Instruments			Cash Collateral Received		Net Amount
Foreign exchange contracts	$	7,617	$	—	$	7,617	$	(5,274	)	$	—	$	2,343

Schedule of Offsetting Liabilities

The following table sets forth the offsetting of derivative liabilities as of March 31, 2026:

(in thousands)	Gross Amounts Offset in the Consolidated Balance Sheets						Gross Amounts Not Offset in the Consolidated Balance Sheets
As of March 31, 2026	Gross Amount of Recognized Liabilities		Gross Amounts Offset in the Consolidated Balance Sheets		Net Amounts of Liabilities Presented in the Consolidated Balance Sheets		Financial Instruments			Cash Collateral Pledged		Net Amount
Foreign exchange contracts	$	5,274	$	—	$	5,274	$	(5,274	)	$	—	$	—