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Severance, Restructuring and Acquisition Integration Activities - Severance, Restructuring and Integration Costs by Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 03, 2016 | Jun. 28, 2015 | Jul. 03, 2016 | Jun. 28, 2015
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | $ 5,869 | $ 4,907 | $ 14,277 | $ 19,390
Broadcast Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 1,319 | 3,283 | 5,697 | 14,810
Enterprise Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 1,207 | 83 | 1,707 | 651
Industrial Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 2,371 | 1,163 | 3,236 | 2,936
Industrial IT Segment [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 943 |  | 3,608 | (52)
Network Security Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 29 | 378 | 29 | 1,045
Employee Severance [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 1,451 | (1,042) | 3,733 | 1,012
Employee Severance [Member] | Broadcast Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | (109) | (1,590) | (751) | 713
Employee Severance [Member] | Enterprise Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 71 | 22 | 76 | 72
Employee Severance [Member] | Industrial Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 1,180 | 526 | 1,777 | 967
Employee Severance [Member] | Industrial IT Segment [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 309 |  | 2,631 | (740)
Other Than Severance Costs Restructuring and Integration Costs Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 4,418 | 5,949 | 10,544 | 18,378
Other Than Severance Costs Restructuring and Integration Costs Member] | Broadcast Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 1,428 | 4,873 | 6,448 | 14,097
Other Than Severance Costs Restructuring and Integration Costs Member] | Enterprise Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 1,136 | 61 | 1,631 | 579
Other Than Severance Costs Restructuring and Integration Costs Member] | Industrial Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 1,191 | 637 | 1,459 | 1,969
Other Than Severance Costs Restructuring and Integration Costs Member] | Industrial IT Segment [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 634 |  | 977 | 688
Other Than Severance Costs Restructuring and Integration Costs Member] | Network Security Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | $ 29 | $ 378 | $ 29 | $ 1,045

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