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Changes in Carrying Amount of Goodwill by Segment (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014
Goodwill [Line Items] |  |
Balance at beginning of year | $ 183.9 | $ 188.7
Translation adjustments | (6.5) | (4.8)
Balance at end of year | 177.4 | 183.9
Services |  |
Goodwill [Line Items] |  |
Balance at beginning of year | 75.2 | 80.0
Translation adjustments | (6.5) | (4.8)
Balance at end of year | 68.7 | 75.2
Technology |  |
Goodwill [Line Items] |  |
Balance at beginning of year | 108.7 | 108.7
Balance at end of year | $ 108.7 | $ 108.7

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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 (decrease) from foreign currency translation adjustments 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 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Details
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- Details
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