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Condensed Consolidated Financial Statements - Additional Information (Detail) - USD ($) $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Jan. 01, 2016 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Amount of off balance sheet settlement funds |  | $ 254,600 |  | $ 260,200
Increase to net cash provided by operating activities |  | 64,856 | $ 123,843 |
Increase to net cash used in financing activities |  | $ (251,298) | (110,016) |
Adjustments for New Accounting Pronouncement [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Increase to net cash provided by operating activities |  |  | 4,900 |
Increase to net cash used in financing activities |  |  | $ 4,900 |
Cumulative-effect adjustment to retained earnings, net of tax | $ 700 |  |  |
Cumulative-effect adjustment to retained earnings, tax | $ 400 |  |  |

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- Definition The balance of the settlement funds at period end. Settlement funds are trust accounts maintained for the benefit of the Company's clients. They are not included in the Company's balance sheet. + References No definition available. + Details
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- Definition Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3574-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 + Details
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