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Severance, Restructuring and Acquisition Integration Activities - Severance, Restructuring and Integration Costs by Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 02, 2017 | Apr. 03, 2016
Restructuring Cost and Reserve [Line Items] |  |
Total Costs | $ 6,600 | $ 8,408
Broadcast Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Total Costs | 408 | 4,378
Enterprise Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Total Costs | 4,873 | 500
Industrial Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Total Costs | 1,121 | 865
Network Security Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Total Costs | 198 | 2,665
Employee Severance [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Severance | 901 | 1,542
Employee Severance [Member] | Broadcast Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Severance | 49 | (784)
Employee Severance [Member] | Enterprise Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Severance | 852 | 0
Employee Severance [Member] | Industrial Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Severance | 0 | 444
Employee Severance [Member] | Network Security Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Severance | 0 | 1,882
Other Than Severance Costs Restructuring and Integration Costs Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Other Restructuring and Integration Costs | 5,699 | 6,866
Other Than Severance Costs Restructuring and Integration Costs Member] | Broadcast Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Other Restructuring and Integration Costs | 359 | 5,162
Other Than Severance Costs Restructuring and Integration Costs Member] | Enterprise Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Other Restructuring and Integration Costs | 4,021 | 500
Other Than Severance Costs Restructuring and Integration Costs Member] | Industrial Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Other Restructuring and Integration Costs | 1,121 | 421
Other Than Severance Costs Restructuring and Integration Costs Member] | Network Security Solutions [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Other Restructuring and Integration Costs | $ 198 | $ 783

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- Definition Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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