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v3.20.4

Business Segments - Reconciliation of Revenue from Segments to Consolidated (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Net Sales | $ 115,576 | $ 118,365 | $ 141,563 | $ 121,907 | $ 141,331 | $ 144,848 | $ 190,701 | $ 139,548 | $ 497,411 | $ 616,428 | $ 581,064
Segment Assets | 370,395 |  |  |  | 405,171 |  |  |  | 370,395 | 405,171 | 383,249
Depreciation/Amortization |  |  |  |  |  |  |  |  | 13,579 | 14,389 | 15,032
Expenditures for Long-Lived Assets |  |  |  |  |  |  |  |  | 9,179 | 6,026 | 3,658
Rail Technologies and Services |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 276,447 | 321,808 | 319,524
Infrastructure Solutions |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 220,964 | 294,620 | 261,540
Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 497,411 | 616,428 | 581,064
Segment Profit |  |  |  |  |  |  |  |  | 24,571 | 43,256 | 41,055
Segment Assets | 299,004 |  |  |  | 317,011 |  |  |  | 299,004 | 317,011 | 326,916
Depreciation/Amortization |  |  |  |  |  |  |  |  | 12,222 | 13,061 | 13,767
Expenditures for Long-Lived Assets |  |  |  |  |  |  |  |  | 8,504 | 5,674 | 3,356
Operating Segments | Rail Technologies and Services |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 276,447 | 321,808 | 319,524
Segment Profit |  |  |  |  |  |  |  |  | 16,321 | 19,641 | 19,468
Segment Assets | 161,485 |  |  |  | 186,323 |  |  |  | 161,485 | 186,323 | 175,704
Depreciation/Amortization |  |  |  |  |  |  |  |  | 6,138 | 6,469 | 6,810
Expenditures for Long-Lived Assets |  |  |  |  |  |  |  |  | 4,599 | 2,293 | 941
Operating Segments | Infrastructure Solutions |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 220,964 | 294,620 | 261,540
Segment Profit |  |  |  |  |  |  |  |  | 8,250 | 23,615 | 21,587
Segment Assets | $ 137,519 |  |  |  | $ 130,688 |  |  |  | 137,519 | 130,688 | 151,212
Depreciation/Amortization |  |  |  |  |  |  |  |  | 6,084 | 6,592 | 6,957
Expenditures for Long-Lived Assets |  |  |  |  |  |  |  |  | $ 3,905 | $ 3,381 | $ 2,415

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