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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Description of the conditions for borrowing under the credit facility including the nature of any restrictions.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisition - Additional Information (Detail) - SpeedPay [Member] $ in Millions			3 Months Ended
	May 09, 2019 USD ($) Customers	Apr. 05, 2019 USD ($)	Mar. 31, 2019 USD ($)
Business Acquisition [Line Items]
Acquisition-related costs			$ 4.7
Subsequent Event [Member]
Business Acquisition [Line Items]
Acquisition purchase price	$ 750.0
Number of customers \| Customers	4,000
Bank of America [Member] \| Subsequent Event [Member]
Business Acquisition [Line Items]
Line of credit facility, covenant terms		The amendment permitted the Company to borrow up to $500.0 million in the form of a senior secured term loan; extended the revolver and the term loan maturity date from February 24, 2022, to April 5, 2024; and increased the maximum consolidated senior secured net leverage ratio covenant from 3.50:1.00 to 3.75:1.00; among other things.
Bank of America [Member] \| Subsequent Event [Member] \| Senior Secured Term Loan [Member]
Business Acquisition [Line Items]
Line of credit facility, maximum borrowing capacity		$ 500.0
Bank of America [Member] \| Subsequent Event [Member] \| Revolving Credit Facility [Member]
Business Acquisition [Line Items]
Line of credit, carrying amount		$ 250.0