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Restructuring and Other Charges - Additional Information (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 USD ($) employee | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 12,258 | $ 8,515 | $ 5,344
Reduction in headcount | employee | 216 |  |
International |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 5,400 | 3,700 | 2,300
Reduction in headcount | employee | 151 |  |
Europe |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 3,300 | 4,800 | 3,000
Reduction in headcount | employee | 34 |  |
North America |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 2,000 | 0 | 0
Reduction in headcount | employee | 19 |  |
Corporate |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 1,600 | 0 | 0
Reduction in headcount | employee | 12 |  |
Other Restructuring | Europe |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 2,000 |  |
Staff Reductions | International |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | 5,400 | 3,700 | 2,300
Staff Reductions | Europe |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | 1,300 | $ 4,800 | $ 3,000
Staff Reductions | North America |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | 2,000 |  |
Staff Reductions | Corporate |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 1,600 |  |

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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