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Severance, Restructuring and Acquisition Integration Activities - Additional Information (Detail) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2015 USD ($) | Sep. 27, 2015 USD ($) | Jun. 28, 2015 USD ($) | Mar. 29, 2015 USD ($) | Dec. 31, 2014 USD ($) | Sep. 28, 2014 USD ($) | Jun. 29, 2014 USD ($) | Mar. 30, 2014 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) Program | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Mar. 27, 2016 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Severance, restructuring, and acquisition integration costs | $ 13,600 | $ 14,100 | $ 4,900 | $ 14,600 | $ 22,000 | $ 9,200 | $ 38,200 | $ 1,400 |  | $ 47,170 | $ 70,827 | $ 14,888 |
Reduction in operating expenses |  |  |  |  |  |  |  |  |  | $ 18,000 |  |  |
Number of significant programs | Program |  |  |  |  |  |  |  |  |  | 4 |  |  |
Cost of Sales [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Severance, restructuring, and acquisition integration costs |  |  |  |  |  |  |  |  |  | $ 9,400 | 20,700 | 7,100 |
Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Severance, restructuring, and acquisition integration costs |  |  |  |  |  |  |  |  |  | 31,700 | 46,500 | 6,500 |
Research and Development [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Severance, restructuring, and acquisition integration costs |  |  |  |  |  |  |  |  |  | 6,100 | $ 3,600 | $ 1,300 |
Grass Valley Restructuring Program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Severance, restructuring, and acquisition integration costs |  |  |  |  |  |  |  |  |  | 25,400 |  |  |
Expected savings from the restructuring program | $ 30,000 |  |  |  |  |  |  |  |  |  |  |  |
Grass Valley Restructuring Program [Member] | Scenario Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Additional severance and other restructuring costs |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,000
Productivity Improvement Program and Acquisition Integration [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Severance, restructuring, and acquisition integration costs |  |  |  |  |  |  |  |  |  | 18,500 |  |  |
Industrial Restructuring Program 2015 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Severance, restructuring, and acquisition integration costs |  |  |  |  |  |  |  |  |  | $ 3,300 |  |  |
Industrial Restructuring Program 2015 [Member] | Scenario Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Additional severance and other restructuring costs |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,000
Expected savings from the restructuring program |  |  |  |  |  |  |  |  | $ 18,000 |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring and integration cost payable period |  |  |  |  |  |  |  |  |  | 60 days |  |  |

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