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Revenues - Major Product Category (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 04, 2021 | Mar. 29, 2020
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 536,381 | $ 463,526
Enterprise Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 226,355 | 212,213
Industrial Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 310,026 | 251,313
Broadband & 5G |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 105,091 | 96,103
Broadband & 5G | Enterprise Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 105,091 | 96,103
Broadband & 5G | Industrial Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Cyber-security |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 27,705 | 25,719
Cyber-security | Enterprise Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Cyber-security | Industrial Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 27,705 | 25,719
Industrial Automation |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 282,321 | 225,594
Industrial Automation | Enterprise Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0 | 0
Industrial Automation | Industrial Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 282,321 | 225,594
Smart Buildings |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 121,264 | 116,110
Smart Buildings | Enterprise Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 121,264 | 116,110
Smart Buildings | Industrial Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 0 | $ 0

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