Defined Benefit Plan, Actuarial Gains (Losses) Threshold, Percentage of Plan Assets

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- Definition

Defined Benefit Plan, Estimated Net Periodic Benefit Cost Decrease, per 100 Basis Point Increase in Discount Rate, Benefit Obligation

+ References

No definition available.

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- Definition

Defined Benefit Plan, Estimated Net Periodic Benefit Cost Increase, per 100 Basis Point Decrease in Discount Rate, Expected Return on Plan Assets

+ References

No definition available.

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- Definition

Defined Contribution Plan, Common Stock Percentage of Total Fair Value of Plan Assets

+ References

No definition available.

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- Definition

Number of Multiemployer Plans

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- Definition

Value of all classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares exclude common shares repurchased by the entity and held as treasury shares.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year.

+ References

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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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- Definition

Amount of cost for defined contribution plan.

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- Definition

Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan.

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Pension and Defined Contribution Plans - Narrative (Details) $ in Millions	12 Months Ended
	Aug. 31, 2021 USD ($) multiemployer_plan	Aug. 31, 2020 USD ($)	Aug. 31, 2019 USD ($)
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets (percent)	10.00%
Number of multi-employer plans \| multiemployer_plan	2
Contributions to multi-employer plans	$ 0.6	$ 0.6	$ 0.5
Defined Contribution Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost recognized	8.4	$ 8.2	$ 8.1
Common stock included in defined contribution plan, market value	$ 8.9
Common stock included in defined contribution plan as percentage of total fair value of assets in plan	1.80%
Domestic Plans \| Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Reduction in net periodic pension cost per 100 basis point increase in benefit obligation discount rate	$ 0.9
Additional net periodic pension cost per 100 basis point decrease in expected return on plan assets rate	$ 1.7
Domestic Plans \| Pension Plan \| Equity securities
Defined Benefit Plan Disclosure [Line Items]
Targeted asset allocation, percentage	40.00%
Domestic Plans \| Pension Plan \| Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Targeted asset allocation, percentage	55.00%
Domestic Plans \| Pension Plan \| Real estate
Defined Benefit Plan Disclosure [Line Items]
Targeted asset allocation, percentage	5.00%
International Plans \| Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Reduction in net periodic pension cost per 100 basis point increase in benefit obligation discount rate	$ 0.6
Additional net periodic pension cost per 100 basis point decrease in expected return on plan assets rate	0.4
International Plans \| Pension Plan \| Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Employer expected contribution to defined benefit plans in next fiscal year	$ 1.5
International Plans \| Pension Plan \| Equity securities
Defined Benefit Plan Disclosure [Line Items]
Targeted asset allocation, percentage	16.00%
International Plans \| Pension Plan \| Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Targeted asset allocation, percentage	20.00%
International Plans \| Pension Plan \| Multi-strategy investments
Defined Benefit Plan Disclosure [Line Items]
Targeted asset allocation, percentage	64.00%