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Corporate Restructuring and Other Organizational Changes - Additional Information (Detail) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Employee termination costs (adjustments) | $ 0 | $ 1,000,000 | $ 1,300,000 | $ 2,800,000 |
Restructuring severance costs |  |  | $ 2,200,000 |  |
Liability is expected to be paid |  |  | 12 months |  |
Unpaid severance liability | 1,400,000 |  | $ 1,400,000 |  |
Remaining liability paid to employees | 1,100,000 |  | 1,100,000 |  |
Restructuring charges | 1,795,000 |  | 1,795,000 |  | $ 2,793,000
Other Noncurrent Liabilities [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 300,000 |  | 300,000 |  |
Severance [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 1,434,000 |  | 1,434,000 |  | 2,341,000
Employee Compensation [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 1,100,000 |  | 1,100,000 |  |
Facility Closures [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | $ 361,000 |  | 361,000 |  | $ 452,000
Americas [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Employee termination costs (adjustments) |  | 400,000 | 700,000 | 2,100,000 |
EMEA [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Employee termination costs (adjustments) |  | 200,000 | $ 600,000 | 200,000 |
Asia/Pacific [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Employee termination costs (adjustments) |  | $ 400,000 |  | $ 500,000 |

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