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Post-employment Benefit (Tables)

12 Months Ended

Sep. 30, 2025

Post-employment Benefit [Abstract]

Schedule of Defined Benefit Plans

The benefit obligations associated with the Company’s defined benefit plans are measured as of September 30, 2025 and 2024:

		Year Ended September 30,
Change in benefit obligation		2025				2024
Benefit obligation at beginning of the year		$	14,801			$	9,195
Service cost			4,746				3,840
Interest cost			513				256
Actuarial gain			2,822				1,408
Foreign exchange rate changes			(9	)			102
Benefit obligation at end of the year		$	22,873			$	14,801

		2025				2024
Amounts recorded in the consolidated balance sheet consist of:
Post-employment benefit obligations		$	22,873			$	14,801
Total recorded		$	22,873			$	14,801

		Year Ended September 30,
		2025				2024				2023
Amounts recorded in the consolidated other comprehensive income consist of:
Service cost		$	4,746			$	3,840			$	2,681
Interest cost			513				256				255
Net actuarial gain			2,822				1,408				(3,319	)
Foreign exchange rate changes			(9	)			102				25
Total recorded		$	8,072			$	5,606			$	(358	)

Schedule of Defined Benefit Obligation

The weighted average duration of the defined benefit obligation is 18.8 (2024: 20) years. Actuarial assumptions (expressed as weighted averages) are as follows:

		2025				2024
Discount rate			3.3	%			3.2	%
Future salary increases			3.5	%			3.9	%
Expected investment return on offsetable MPF accrued benefits			3.3	%			3.2	%

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Tabular disclosure of the change in the accumulated postemployment benefit obligation from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits.

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Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.

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