Investment Income From Invested Customer Trust Fund

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- Definition

Number of cloud offering delivering solution.

+ References

No definition available.

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- Definition

Number of customers.

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No definition available.

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- Definition

Number of employees generating revenue from recurring fees.

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No definition available.

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- Definition

Number of primary service lines delivering solutions.

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No definition available.

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- Definition

Revenue.

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No definition available.

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- Definition

Identifies or describes the benchmark that serves as the denominator in the calculation of the percentage of concentration risk.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Description of consideration that is not included in transaction price and not allocated to remaining performance obligation. Includes, but is not limited to, variable consideration that is constrained.

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Revenue - Additional Information (Detail) $ in Millions	12 Months Ended
Revenue - Additional Information (Detail) $ in Millions	Dec. 31, 2023 USD ($) Employee Cloudoffering Service Customer	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Revenue [Line Items]
Number of customers \| Customer	0
Status of customer accounts	No single customer accounted for 2% or more of our consolidated revenue for any of the periods presented.
Contract asset	$ 89.0	$ 68.5
Remaining performance obligation, description of practical expedient	In accordance with the practical expedient provided in ASC Topic 606, performance obligations that are billed and recognized as they are delivered, primarily professional services contracts that are on a time and materials basis, are excluded from the transaction price for remaining performance obligations disclosed above.
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Significant Customer [Member]
Revenue [Line Items]
Status of customer accounts, percentage	2.00%
Cloud Revenue [Member]
Revenue [Line Items]
Number of cloud offering delivering solution \| Cloudoffering	2
Powerpay [Member] \| Maximum [Member]
Revenue [Line Items]
Number of employees generating revenue from recurring fees \| Employee	100
Bureau Revenue [Member]
Revenue [Line Items]
Number of primary service lines delivering solutions \| Service	3
Recurring [Member]
Revenue [Line Items]
Float revenue	$ 168.7	$ 80.2	$ 41.1