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Revenues - Major Product Category (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Apr. 01, 2018
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 587,175 | $ 605,565
Enterprise Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 326,527 | 349,124
Industrial Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 260,648 | 256,441
Cable & Connectivity |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 392,179 | 397,197
Cable & Connectivity | Enterprise Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 233,671 | 234,467
Cable & Connectivity | Industrial Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 158,508 | 162,730
Networking, Software & Security |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 194,996 | 208,368
Networking, Software & Security | Enterprise Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 92,856 | 114,657
Networking, Software & Security | Industrial Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 102,140 | $ 93,711

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 + Details
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