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Employee benefits - Fair value of plan assets (Details) - CAD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Disclosure of fair value of plan assets [line items]
Quoted equities	$ 260,103	$ 205,130
Quoted bonds	158,739	139,584
Cash	3,191	5,642
Other	307,995	261,755
Plan assets	730,028	612,111
U.K.
Disclosure of fair value of plan assets [line items]
Quoted equities	260,103	205,130
Quoted bonds	158,739	139,584
Cash	3,123	5,566
Other	220,573	185,946
Plan assets	642,538	536,226
Germany
Disclosure of fair value of plan assets [line items]
Quoted equities	0	0
Quoted bonds	0	0
Cash	0	0
Other	12,599	11,747
Plan assets	12,599	11,747
Other
Disclosure of fair value of plan assets [line items]
Quoted equities	0	0
Quoted bonds	0	0
Cash	68	76
Other	74,823	64,062
Plan assets	$ 74,891	$ 64,138

X

- Definition

The amount cash and cash equivalents contribute to the fair value of defined benefit plan assets. [Refer: Cash and cash equivalents; Plan assets, at fair value; Defined benefit plans [domain]]

+ References

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- Definition

The amount instruments representing debt (rather than equity) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [domain]]

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The amount instruments representing equity (rather than debt) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [domain]]

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The amount other types of assets not separately disclosed contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [domain]]

+ References

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The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]]

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