Segment Information - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Revenues	$ 231,462	$ 226,066
Operating income	$ 3,623	136,712
Geographic Concentration Risk
Segment Reporting Information [Line Items]
Percentage of revenues during the three months ended March 31,2017 and 2016	No other country outside the United States accounted for more than 10% of the Company's consolidated revenues during the three months ended March 31, 2017 and 2016.
Customer Concentration Risk
Segment Reporting Information [Line Items]
Percentage of revenues during the three months ended March 31,2017 and 2016	No single customer accounted for more than 10% of the Company's consolidated revenues during the three months ended March 31, 2017 and 2016.
Corporate and Other [Member] \| Community Financial Services Products
Segment Reporting Information [Line Items]
Revenues		15,400
Operating income		$ 152,200

The net result for the period of deducting operating expenses from operating revenues.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Disclosure of the extent of enterprise reliance on its major customers. For example, includes revenues from transactions with a single external customer amounting to 10 percent or more of the entity's revenues, the total amount of revenues from each such customer, and the identity of the segment or segments reporting the revenues. A group of entities that the entity knows to be under common control generally will be considered a single customer for inclusion in this item. The federal government, a state government, a local government (for example, a county or municipality), or a foreign government each will generally be considered as a single customer for inclusion in this item.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9054-108599

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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.

+ References

No definition available.

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