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v3.25.3

Intangible assets (Details) - CAD ($) | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Software | Acquired |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | $ 63,067,000 |
Ending balance | 81,031,000 | $ 63,067,000
Software internally developed | Internally developed |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | 28,082,000 |
Ending balance | 24,061,000 | 28,082,000
Business solutions | Acquired |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | 18,456,000 |
Ending balance | 14,304,000 | 18,456,000
Business solutions | Internally developed |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | 383,834,000 |
Ending balance | 404,788,000 | 383,834,000
Client relationships and backlog |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | 225,136,000 |
Ending balance | 363,822,000 | 225,136,000
Beginning balance | 718,575,000 |
Impairment | 6,716,000 | 11,574,000
Ending balance | 888,006,000 | 718,575,000
Cost | Software | Acquired |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | 256,178,000 | 228,673,000
Additions | 69,939,000 | 50,534,000
Business acquisitions | 731,000 | 69,000
Disposals/retirements | (62,037,000) | (26,301,000)
Foreign currency translation adjustment | 7,336,000 | 3,203,000
Ending balance | 272,147,000 | 256,178,000
Cost | Software internally developed | Internally developed |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | 113,070,000 | 110,225,000
Additions | 7,356,000 | 7,720,000
Business acquisitions | 16,000 | 0
Disposals/retirements | (5,829,000) | (5,806,000)
Foreign currency translation adjustment | 1,362,000 | 931,000
Ending balance | 115,975,000 | 113,070,000
Cost | Business solutions | Acquired |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | 81,776,000 | 90,139,000
Additions | 0 | 0
Business acquisitions | 0 | 0
Disposals/retirements | (5,296,000) | (9,672,000)
Foreign currency translation adjustment | 2,762,000 | 1,309,000
Ending balance | 79,242,000 | 81,776,000
Cost | Business solutions | Internally developed |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | 928,297,000 | 841,740,000
Additions | 94,334,000 | 100,810,000
Business acquisitions | 0 | 0
Disposals/retirements | (7,837,000) | (20,221,000)
Foreign currency translation adjustment | 34,576,000 | 5,968,000
Ending balance | 1,049,370,000 | 928,297,000
Cost | Client relationships and backlog |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | 1,412,161,000 | 1,248,069,000
Additions | 0 | 0
Business acquisitions | 202,954,000 | 124,330,000
Disposals/retirements | 0 | 0
Foreign currency translation adjustment | 79,093,000 | 39,762,000
Ending balance | 1,694,208,000 | 1,412,161,000
Cost |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | 2,791,482,000 | 2,518,846,000
Additions | 171,629,000 | 159,064,000
Business acquisitions | 203,701,000 | 124,399,000
Disposals/retirements | (80,999,000) | (62,000,000)
Foreign currency translation adjustment | 125,129,000 | 51,173,000
Ending balance | 3,210,942,000 | 2,791,482,000
Accumulated amortization and impairment | Software | Acquired |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | (193,111,000) | (175,238,000)
Disposals/retirements | 62,037,000 | 26,301,000
Foreign currency translation adjustment | (4,463,000) | (2,647,000)
Amortization expense | 55,579,000 | 40,088,000
Impairment | 0 | 1,439,000
Ending balance | (191,116,000) | (193,111,000)
Accumulated amortization and impairment | Software internally developed | Internally developed |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | (84,988,000) | (75,187,000)
Disposals/retirements | 5,829,000 | 5,806,000
Foreign currency translation adjustment | (1,045,000) | (666,000)
Amortization expense | 11,710,000 | 14,810,000
Impairment | 0 | 131,000
Ending balance | (91,914,000) | (84,988,000)
Accumulated amortization and impairment | Business solutions | Acquired |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | (63,320,000) | (67,954,000)
Disposals/retirements | 5,296,000 | 9,672,000
Foreign currency translation adjustment | (2,607,000) | (1,200,000)
Amortization expense | 3,137,000 | 3,838,000
Impairment | 1,170,000 | 0
Ending balance | (64,938,000) | (63,320,000)
Accumulated amortization and impairment | Business solutions | Internally developed |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | (544,463,000) | (474,462,000)
Disposals/retirements | 7,837,000 | 20,221,000
Foreign currency translation adjustment | (18,954,000) | (2,517,000)
Amortization expense | 83,228,000 | 77,701,000
Impairment | 5,774,000 | 10,004,000
Ending balance | (644,582,000) | (544,463,000)
Accumulated amortization and impairment | Client relationships and backlog |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | (1,187,025,000) | (1,102,902,000)
Disposals/retirements | 0 | 0
Foreign currency translation adjustment | (65,376,000) | (34,819,000)
Amortization expense | 77,985,000 | 49,304,000
Impairment | 0 | 0
Ending balance | (1,330,386,000) | (1,187,025,000)
Accumulated amortization and impairment |  |
Reconciliation of changes in intangible assets other than goodwill [abstract] |  |
Beginning balance | (2,072,907,000) | (1,895,743,000)
Disposals/retirements | 80,999,000 | 62,000,000
Foreign currency translation adjustment | (92,445,000) | (41,849,000)
Amortization expense | 231,639,000 | 185,741,000
Impairment | 6,944,000 | 11,574,000
Ending balance | $ (2,322,936,000) | $ (2,072,907,000)

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