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Commitments and Contingencies - Additional Information (Detail) - Isolated Service Incident [Member] - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2019	Sep. 26, 2019
Commitments And Contingencies [Line Items]
Duplicate payments for payroll customers				$ 18.8
Loss on unrecovered duplicate payments		$ 11.2
Recovery efforts resulting in collection	$ 0.3
Selling, General and Administrative Expense [Member]
Commitments And Contingencies [Line Items]
Loss on unrecovered duplicate payments			$ 11.2

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- Definition

Commitments and contingencies.

+ References

No definition available.

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- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

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-Publisher FASB
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Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

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Amount of cash inflow from the collection of receivables related to a loss contingency.

+ References

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-Publisher FASB
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