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Amortization, depreciation and impairment (Tables)

12 Months Ended

Sep. 30, 2023

Analysis of income and expense [abstract]

Disclosure of amortization, depreciation and impairment


						Year ended September 30
						2023			2022
						$			$
Depreciation of PP&E (Note 6)						142,653			133,651
Depreciation of right-of-use assets (Note 7)						143,030			141,295
Impairment of right-of-use assets (Note 7)						2,274			1,495
Amortization of contract costs related to transition costs						55,194			48,594

Amortization of intangible assets (Note 9)						162,971			139,940
Impairment of intangible assets (Note 9)						—			3,359
Included in costs of services, selling and administrative (Note 23)						506,122			468,334
Amortization of contract costs related to incentives (presented as a reduction of revenue)						2,793			2,201
Amortization of deferred financing fees (presented in finance costs)						816			829
Amortization of premiums and discounts on investments related to funds held for clients (presented net as a reduction (increase) of revenue)						(1,832)			37

Depreciation of PP&E (presented in integration costs) (Note 6)						712			—
Impairment of PP&E (presented in integration costs) (Note 6)						648			858
Impairment of PP&E (presented in cost optimization program) (Note 6 and 25)						1,938			—
Impairment of right-of-use assets (presented in integration costs) (Note 7)						5,143			2,363
Impairment of right-of-use assets (presented in cost optimization program) (Note 7 and 25)						2,232			—
Amortization of intangible assets (presented in integration costs) (Note 9)						1,076			—

						519,648			474,622