XML 117 R78.htm IDEA: XBRL DOCUMENT 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)