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Segment and Geographic Information - Information Regarding Long-Lived Assets in Geographic Areas (Detail) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
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Long-lived assets: |  |
Total long-lived assets | $ 1,836,708 | $ 1,802,853
United States [Member] |  |
Long-lived assets: |  |
Total long-lived assets | 1,419,107 | 1,373,118
United Kingdom [Member] |  |
Long-lived assets: |  |
Total long-lived assets | 330,683 | 352,232
Asia [Member] |  |
Long-lived assets: |  |
Total long-lived assets | 38,207 | 32,603
Other Europe/MEA [Member] |  |
Long-lived assets: |  |
Total long-lived assets | 12,235 | 10,477
France [Member] |  |
Long-lived assets: |  |
Total long-lived assets | 9,163 | 7,373
Other Americas [Member] |  |
Long-lived assets: |  |
Total long-lived assets | $ 27,313 | $ 27,050

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
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