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Employee Benefit Plan - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Employees maximum 401(k) contribution, percentage | 100.00% |  |
Employees maximum 401(k) contribution, amount | $ 4,000 |  |
Defined contribution plan, contribution | 3,500,000 | 2,800,000 | 2,900,000
Employer 401(k) matching contribution to employee, maximum percentage | 4.00% |  |
Defined contribution plan, employer matching percentage on every deferred dollar | 100.00% |  |
EMEA |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Defined contribution plan, contribution | 1,300,000 | 1,300,000 | 1,300,000
Employees Under Age 50 |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Employees maximum 401(k) contribution, amount | 17,000 |  |
Employees aged 50 or older |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Employees maximum 401(k) contribution, amount | $ 22,500 |  |
Employed at December 1, 2000 | EMEA |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Defined contribution plan, employer contribution percentage of eligible compensation minimum | 8.50% |  |
Employees aged over 55 years | EMEA |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Defined contribution plan, employer contribution percentage of eligible compensation maximum | 15.50% |  |
Employed subsequent to December 1, 2000 | EMEA |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Defined contribution plan, employer contribution percentage of eligible compensation | 6.00% |  |

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- Definition Company's contribution of eligible compensation for those employed after December 31, 2000. + References No definition available. + Details
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- Definition Company's maximum contribution of eligible compensation for employees aged over 55 years and employed at December 31, 2000. + References No definition available. + Details
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- Definition Company's contribution of eligible compensation for employees employed at December 31, 2000. + References No definition available. + Details
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- Definition Maximum percentage of an employee's pre-tax earnings that can be contributed to the 401(k) plan. + References No definition available. + Details
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- Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 11 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Maximum amount per employee, by the terms of the plan, that the employer may contribute to a defined contribution plan. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan. + References No definition available. + Details
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