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Severance, Restructuring and Acquisition Integration Activities - Severance, Restructuring and Integration Costs by Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 01, 2017 | Oct. 02, 2016 | Oct. 01, 2017 | Oct. 02, 2016
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | $ 16,679 | $ 12,795 | $ 32,839 | $ 27,072
Broadcast Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 3,056 | 174 | 4,434 | 5,871
Enterprise Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 6,253 | 5,573 | 19,267 | 7,280
Industrial Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 6,840 | 4,746 | 8,307 | 7,982
Network Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 530 | 2,302 | 831 | 5,939
Severance |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 1,934 | 1,152 | 4,263 | 4,885
Severance | Broadcast Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 510 | (114) | 559 | (865)
Severance | Enterprise Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 712 | (21) | 2,839 | 55
Severance | Industrial Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 712 | 184 | 865 | 1,961
Severance | Network Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 0 | 1,103 | 0 | 3,734
Other Restructuring and Integration Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 14,745 | 11,643 | 28,576 | 22,187
Other Restructuring and Integration Costs | Broadcast Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 2,546 | 288 | 3,875 | 6,736
Other Restructuring and Integration Costs | Enterprise Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 5,541 | 5,594 | 16,428 | 7,225
Other Restructuring and Integration Costs | Industrial Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 6,128 | 4,562 | 7,442 | 6,021
Other Restructuring and Integration Costs | Network Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | $ 530 | $ 1,199 | $ 831 | $ 2,205

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