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Operating Segments and Geographic Information - Operating Segment Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 2,408,100 | $ 1,862,716 | $ 2,131,278
Depreciation expense | 45,900 | 42,500 | 40,400
Amortization of intangibles | 38,346 | 64,395 | 74,609
Severance, restructuring, and acquisition integration costs | 23,892 | 12,258 | 26,544
Goodwill and other asset impairment | 140,461 | 113,007 | 521,441
Acquisition of property, plant and equipment | 90,982 | 90,215 | 110,002
Segment assets | 3,417,677 | 3,139,734 | 3,406,759
Enterprise Solutions |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 1,074,426 | 872,417 | 946,041
Severance, restructuring, and acquisition integration costs | 13,800 | 7,719 | 10,808
Industrial Solutions |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 1,333,674 | 990,299 | 1,185,237
Severance, restructuring, and acquisition integration costs | 10,092 | 4,539 | 15,736
Reportable Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBITDA | 371,182 | 246,959 | 353,035
Depreciation expense | 45,940 | 42,470 | 40,409
Amortization of intangibles | 38,346 | 64,395 | 74,609
Amortization of software development intangible assets | 2,900 | 1,821 | 525
Adjustments related to acquisitions and divestitures | (5,036) | 125 | 592
Severance, restructuring, and acquisition integration costs | 23,892 | 12,258 | 26,544
Goodwill and other asset impairment | 140,461 | 0 | 0
Acquisition of property, plant and equipment | 84,127 | 69,898 | 77,478
Segment assets | 1,215,329 | 985,252 | 991,607
Reportable Segment | Enterprise Solutions |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBITDA | 143,236 | 99,333 | 126,925
Depreciation expense | 21,594 | 20,655 | 19,771
Amortization of intangibles | 17,595 | 21,662 | 22,324
Adjustments related to acquisitions and divestitures | (6,828) | 125 | 592
Severance, restructuring, and acquisition integration costs | 13,800 | 7,720 | 10,808
Acquisition of property, plant and equipment | 36,726 | 25,223 | 42,289
Segment assets | 563,141 | 462,615 | 487,125
Reportable Segment | Industrial Solutions |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBITDA | 227,946 | 147,626 | 226,110
Depreciation expense | 24,346 | 21,815 | 20,638
Amortization of intangibles | 20,751 | 42,733 | 52,285
Adjustments related to acquisitions and divestitures | 1,792 | 0 | 0
Severance, restructuring, and acquisition integration costs | 10,092 | 4,538 | 15,736
Goodwill and other asset impairment | 140,461 | 0 | 0
Acquisition of property, plant and equipment | 47,401 | 44,675 | 35,189
Segment assets | 652,188 | 522,637 | 504,482
Software Development | Reportable Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Amortization of software development intangible assets | 2,900 | 1,821 | 525
Software Development | Reportable Segment | Enterprise Solutions |  |  |
Segment Reporting Information [Line Items] |  |  |
Amortization of software development intangible assets | 94 | 245 | 175
Software Development | Reportable Segment | Industrial Solutions |  |  |
Segment Reporting Information [Line Items] |  |  |
Amortization of software development intangible assets | 2,806 | 1,576 | 350
Segment revenues | Reportable Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 2,408,100 | 1,862,716 | 2,131,278
Segment revenues | Reportable Segment | Enterprise Solutions |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 1,074,426 | 872,415 | 946,041
Segment revenues | Reportable Segment | Industrial Solutions |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 1,333,674 | $ 990,301 | $ 1,185,237

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