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Condensed Consolidated Financial Statements - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Summary Of Significant Accounting Policies [Line Items]
Amount of off balance sheet settlement funds	$ 223,500,000	$ 284,000,000
Accumulated other comprehensive loss	(29,466,000)	(23,315,000)
Payments for partnership dissolved	1,391,000
Cornastone Technology Investments (Proprietary) Limited
Summary Of Significant Accounting Policies [Line Items]
Payments for partnership dissolved	1,500,000
Other Noncurrent Liabilities | Cornastone Technology Investments (Proprietary) Limited
Summary Of Significant Accounting Policies [Line Items]
Noncontrolling interest		$ 1,100,000

X

- Definition

The balance of the settlement accounts at period end. Settlement accounts are trust accounts maintained for the benefit of the Company's clients. They are not included in the Company's balance sheet.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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-Publisher FASB

-Name Accounting Standards Codification

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

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