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Severance, Restructuring, and Acquisition Integration Activities Severance, Restructuring, and Acquisition Integration Activities (Tables) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2016 | Oct. 02, 2016 | Jul. 03, 2016 | Apr. 03, 2016 | Dec. 31, 2015 | Sep. 27, 2015 | Jun. 28, 2015 | Mar. 29, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance and other restructuring costs | $ 11,700 | $ 12,800 | $ 5,900 | $ 8,400 | $ 13,600 | $ 14,100 | $ 4,900 | $ 14,600 |  | $ 38,770 | $ 47,170 | $ 70,827
Employee Severance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance Costs |  |  |  |  |  |  |  |  |  | 7,082 | 19,101 | 37,254
Other Than Severance Costs Restructuring And Integration Costs [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Other Restructuring Costs |  |  |  |  |  |  |  |  |  | 31,688 | 28,069 | 33,573
Broadcast Solutions [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance and other restructuring costs |  |  |  |  |  |  |  |  |  | 10,414 | 39,078 | 48,557
Broadcast Solutions [Member] | Employee Severance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance Costs |  |  |  |  |  |  |  |  |  | (116) | 16,694 | 20,025
Broadcast Solutions [Member] | Other Than Severance Costs Restructuring And Integration Costs [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Other Restructuring Costs |  |  |  |  |  |  |  |  |  | 10,530 | 22,384 | 28,532
Enterprise Solutions [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance and other restructuring costs |  |  |  |  |  |  |  |  |  | 11,962 | 723 | 3,318
Enterprise Solutions [Member] | Employee Severance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance Costs |  |  |  |  |  |  |  |  |  | 636 | (186) | 2,183
Enterprise Solutions [Member] | Other Than Severance Costs Restructuring And Integration Costs [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Other Restructuring Costs |  |  |  |  |  |  |  |  |  | 11,326 | 909 | 1,135
Industrial Solutions [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance and other restructuring costs |  |  |  |  |  |  |  |  |  | 9,923 | 6,228 | 11,953
Industrial Solutions [Member] | Employee Severance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance Costs |  |  |  |  |  |  |  |  |  | 2,828 | 3,309 | 9,732
Industrial Solutions [Member] | Other Than Severance Costs Restructuring And Integration Costs [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Other Restructuring Costs |  |  |  |  |  |  |  |  |  | 7,095 | 2,919 | 2,221
Network Solutions [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance and other restructuring costs |  |  |  |  |  |  |  |  |  | 6,471 | 1,141 | 6,999
Network Solutions [Member] | Employee Severance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance Costs |  |  |  |  |  |  |  |  |  | 3,734 | (716) | 5,314
Network Solutions [Member] | Other Than Severance Costs Restructuring And Integration Costs [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Other Restructuring Costs |  |  |  |  |  |  |  |  |  | 2,737 | 1,857 | 1,685
Industrial Manufacturing Footprint Program [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance and other restructuring costs |  |  |  |  |  |  |  |  |  | 17,800 |  |
Industrial Manufacturing Footprint Program [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring and Related Cost, Expected Cost Remaining |  |  |  |  |  |  |  |  | $ 15,000 |  |  |
Expected Savings From Restructuring |  |  |  |  |  |  |  |  | $ 10,000 |  |  |
Cost of Sales [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance and other restructuring costs |  |  |  |  |  |  |  |  |  | 12,300 | 9,400 | 20,700
Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance and other restructuring costs |  |  |  |  |  |  |  |  |  | 25,700 | 31,700 | 46,500
Research and Development Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Severance and other restructuring costs |  |  |  |  |  |  |  |  |  | $ 800 | $ 6,100 | $ 3,600

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