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Goodwill and Other Intangible Assets - Summary of Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014
Goodwill [Line Items] |  |
Goodwill Beginning Balance | $ 124,142 | $ 121,011
Goodwill Ending Balance | 653,666 | 124,142
SoftCode, Inc. [Member] |  |
Goodwill [Line Items] |  |
Goodwill acquired |  | 3,131
New World Systems Corporation [Member] |  |
Goodwill [Line Items] |  |
Goodwill acquired | 527,618 |
Brazos Technology Corporation [Member] |  |
Goodwill [Line Items] |  |
Goodwill acquired | 1,906 |
Enterprise Software Solutions [Member] |  |
Goodwill [Line Items] |  |
Goodwill Beginning Balance | 117,585 | 114,454
Goodwill Ending Balance | 647,109 | 117,585
Enterprise Software Solutions [Member] | SoftCode, Inc. [Member] |  |
Goodwill [Line Items] |  |
Goodwill acquired |  | 3,131
Enterprise Software Solutions [Member] | New World Systems Corporation [Member] |  |
Goodwill [Line Items] |  |
Goodwill acquired | 527,618 |
Enterprise Software Solutions [Member] | Brazos Technology Corporation [Member] |  |
Goodwill [Line Items] |  |
Goodwill acquired | 1,906 |
Appraisal and Tax Software Solutions and Services [Member] |  |
Goodwill [Line Items] |  |
Goodwill Beginning Balance | 6,557 | 6,557
Goodwill Ending Balance | $ 6,557 | $ 6,557

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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