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Retirement and Deferred Compensation Plans - Schedule of Changes in Fair Value of Pension Assets Measured Using Level 3 Inputs (Details) - Pension Plan [Member] - Fair Value, Inputs, Level 3 [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets, beginning of year	$ 242.6	$ 214.8
Actual return on plan assets	(21.6)	16.4
Purchases, sales and settlements, net	(3.1)	(6.3)
Currency exchange rate changes	(11.4)	17.7
Fair value of plan assets, end of year	$ 206.5	$ 242.6

X

- Definition

Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held.

+ References

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-Publisher FASB
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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan.

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