Leases (Tables)

12 Months Ended

Sep. 30, 2025

Presentation of leases for lessee [abstract]

Schedule Of Right-of-use Assets And Lease Liabilities

Right-of-use assets

	Buildings			Vehicles			Other			Total
Cost
September 30, 2023		177,139			5,432			—			182,571
Additions		81,869			3,363			11,312			96,544
Derecognition on termination		(6,721	)		(791	)		—			(7,512	)
Impact of foreign currency translation		(6,243	)		5			(502	)		(6,740	)
September 30, 2024		246,044			8,009			10,810			264,863
Additions		64,289			2,650			2,559			69,498
Derecognition on termination		(23,199	)		(1,075	)		—			(24,274	)
Impact of foreign currency translation		(8,591	)		2			(576	)		(9,165	)
September 30, 2025		278,543			9,586			12,793			300,922
Accumulated depreciation
September 30, 2023		(57,736	)		(1,851	)		—			(59,587	)
Depreciation		(37,926	)		(1,668	)		(2,685	)		(42,279	)
Derecognition on termination		5,551			602			—			6,153
Impact of foreign currency translation		2,031			(4	)		157			2,184
September 30, 2024		(88,080	)		(2,921	)		(2,528	)		(93,529	)
Depreciation		(40,433	)		(2,114	)		(3,241	)		(45,788	)
Derecognition on termination		13,671			1,018			—			14,689
Impact of foreign currency translation		3,178			—			290			3,468
September 30, 2025		(111,664	)		(4,017	)		(5,479	)		(121,160	)
Net book value
September 30, 2024		157,964			5,088			8,282			171,334
September 30, 2025		166,879			5,569			7,314			179,762

Lease liabilities

	Buildings			Vehicles			Other			Total
September 30, 2023		126,446			3,613			—			130,059
Additions, net*		79,705			3,166			12,840			95,711
Lease payments		(41,323	)		(1,783	)		(4,090	)		(47,196	)
Interest		8,066			181			1,155			9,402
Impact of foreign currency translation		(3,909	)		6			—			(3,903	)
September 30, 2024		168,985			5,183			9,905			184,073
Additions, net*		52,755			2,583			2,572			57,910
Lease payments		(45,148	)		(2,275	)		(4,291	)		(51,714	)
Interest		8,163			218			615			8,996
Impact of foreign currency translation		(6,020	)		2			(328	)		(6,346	)
September 30, 2025		178,735			5,711			8,473			192,919

*Additions, net consists of additions to lease liabilities, lease modifications, and derecognition on termination.