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Severance, Restructuring and Acquisition Integration Activities - Severance, Restructuring and Integration Costs by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Oct. 01, 2017 | Sep. 30, 2018 | Oct. 01, 2017
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | $ 11,688 | $ 16,679 | $ 57,010 | $ 32,839
Enterprise Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 9,528 | 9,309 | 46,949 | 23,701
Industrial Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 2,160 | 7,370 | 10,061 | 9,138
Employee Severance |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance Costs | (1,147) | 1,934 | 10,475 | 4,263
Employee Severance | Enterprise Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance Costs | (1,283) | 1,222 | 10,097 | 3,398
Employee Severance | Industrial Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance Costs | 136 | 712 | 378 | 865
Other Than Severance Costs Restructuring And Integration Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 12,835 | 14,745 | 46,535 | 28,576
Other Than Severance Costs Restructuring And Integration Costs | Enterprise Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 10,811 | 8,087 | 36,852 | 20,303
Other Than Severance Costs Restructuring And Integration Costs | Industrial Solutions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | $ 2,024 | $ 6,658 | $ 9,683 | $ 8,273

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