XML 99 R58.htm IDEA: XBRL DOCUMENT v3.22.2.2
Share-based payments (Tables)
 12 Months Ended
Sep. 30, 2022
Share-Based Payment Arrangements [Abstract]  
Disclosure of information concerning PSUs
The following table presents information concerning the number of outstanding PSUs granted by the Company:
 Outstanding as at September 30, 2020 1,231,470 
 Granted1
 669,252 
 Exercised (Note 19)
 (119,108)
 Forfeited (365,411)
 Outstanding as at September 30, 2021 1,416,203 
 Granted1
 805,699 
 Exercised (Note 19)
 (237,294)
 Forfeited (175,017)
 Outstanding as at September 30, 2022 1,809,591 
1    The PSUs granted in 2022 had a grant date fair value of $109.07 per unit ($94.00 in 2021).
Disclosure of information concerning outstanding stock options
The following table presents information concerning the outstanding stock options granted by the Company:
2022 2021
Number of options Weighted
average exercise
price per share		 Number of options Weighted
average exercise price per share
$ $
 Outstanding, beginning of year 8,012,077  64.49  8,934,097  61.33 
 Granted 11,940  110.10  995,160  97.86 
 Exercised (Note 19)
 (941,059) 44.30  (1,290,919) 47.29 
 Forfeited (188,130) 97.55  (622,940) 107.82 
 Expired (11,983) 104.36  (3,321) 108.44 
 Outstanding, end of year 6,882,845  66.36  8,012,077  64.49 
 Exercisable, end of year 5,837,921  61.02  5,781,579  54.76 
Disclosure of range of exercise prices of outstanding stock options The following table summarizes information about the outstanding stock options granted by the Company as at September 30, 2022:
Options outstanding Options exercisable
Range of
exercise price		 Number of options Weighted
average
remaining contractual life 		Weighted
average exercise price		 Number of options Weighted average exercise price
$ (in years) $ $
23.65 to 38.79
 982,507  1.06 33.01  982,507  33.01 
39.47 to 50.94
 970,493  2.71 45.46  970,493  45.46 
52.63 to 63.72
 2,532,301  4.45 63.04  2,532,301  63.04 
67.04 to 87.65
 1,311,981  5.92 84.05  1,005,535  83.60 
97.84 to 115.01
 1,085,563  7.91 101.61  347,085  103.69 
6,882,845  4.54 66.36  5,837,921  61.02 
Disclosure of number of options and weighted average remaining contractual life The following table summarizes information about the outstanding stock options granted by the Company as at September 30, 2022:
Options outstanding Options exercisable
Range of
exercise price		 Number of options Weighted
average
remaining contractual life 		Weighted
average exercise price		 Number of options Weighted average exercise price
$ (in years) $ $
23.65 to 38.79
 982,507  1.06 33.01  982,507  33.01 
39.47 to 50.94
 970,493  2.71 45.46  970,493  45.46 
52.63 to 63.72
 2,532,301  4.45 63.04  2,532,301  63.04 
67.04 to 87.65
 1,311,981  5.92 84.05  1,005,535  83.60 
97.84 to 115.01
 1,085,563  7.91 101.61  347,085  103.69 
6,882,845  4.54 66.36  5,837,921  61.02 
Disclosure of weighted average assumptions used in the calculation of fair value of stock options
The weighted average fair value of stock options granted in the year and the weighted average assumptions used in the calculation of their fair value on the date of grant using the Black-Scholes option pricing model were as follows:
Year ended September 30
2022 2021
 Grant date fair value ($) 20.94  16.76 
 Dividend yield (%) 0.00 0.00 
 Expected volatility (%)1
 21.27  20.76 
 Risk-free interest rate (%) 1.28  0.40 
 Expected life (years) 4.00  4.00 
 Exercise price ($) 110.10  97.86 
 Share price ($) 110.10  97.86 
1    Expected volatility was determined using statistical formulas and based on the weekly historical average of closing daily share prices over the period of the expected life of stock options.
Disclosure of share-based payment expense
The share-based payment expense recorded in costs of services, selling and administrative is as follows:
Year ended September 30
2022 2021
$ $
 PSUs 42,148  32,484 
 Stock options 6,848  13,108 
 Share purchase plan 136,275  128,662 
 DSUs 1,455  2,876 
186,726  177,130