Quarterly Financial Data (Unaudited) (Details) $ in Millions	3 Months Ended
Jun. 30, 2019 USD ($)
Suit Against HMS Holdings Related to the Acquisition of Allied Management Group
Loss Contingencies [Line Items]
Amount awarded to other party	$ 20.0

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.

No definition available.

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