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Revenue - Revenue by Reporting Unit (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | $ 712,019 | $ 581,113 | $ 2,050,002 | $ 1,736,824
Intersegment elimination |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | (671) | (908) | (3,007) | (2,297)
Fluid & Metering Technologies |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 251,297 | 220,553 | 745,202 | 666,187
Fluid & Metering Technologies | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 251,297 | 220,553 | 745,202 | 666,187
Fluid & Metering Technologies | Intersegment elimination |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 0 | (194) | (737) | (533)
Fluid & Metering Technologies | Energy | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 40,430 | 56,155 | 125,860 | 150,483
Fluid & Metering Technologies | Valves | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 29,020 | 29,533 | 91,565 | 86,596
Fluid & Metering Technologies | Water1 | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 64,865 | 57,190 | 189,013 | 165,114
Fluid & Metering Technologies | Pumps | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 90,026 | 59,585 | 261,457 | 201,970
Fluid & Metering Technologies | Agriculture | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 26,956 | 18,284 | 78,044 | 62,557
Health & Science Technologies |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 301,637 | 219,671 | 825,440 | 658,361
Health & Science Technologies | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 301,637 | 219,671 | 825,440 | 658,361
Health & Science Technologies | Intersegment elimination |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | (650) | (707) | (2,228) | (1,744)
Health & Science Technologies | Scientific Fluidics & Optics | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 131,198 | 100,569 | 375,990 | 313,275
Health & Science Technologies | Sealing Solutions | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 67,696 | 50,726 | 202,432 | 151,257
Health & Science Technologies | Performance Pneumatic Technologies | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 62,181 | 32,173 | 125,355 | 87,558
Health & Science Technologies | Micropump | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 8,519 | 7,273 | 24,794 | 22,260
Health & Science Technologies | Material Processing Technologies | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 32,693 | 29,637 | 99,097 | 85,755
Fire & Safety/Diversified Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 159,085 | 140,889 | 479,360 | 412,276
Fire & Safety/Diversified Products | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 159,085 | 140,889 | 479,360 | 412,276
Fire & Safety/Diversified Products | Intersegment elimination |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | (21) | (7) | (42) | (20)
Fire & Safety/Diversified Products | Fire & Safety | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 92,305 | 94,065 | 287,107 | 280,428
Fire & Safety/Diversified Products | BAND-IT | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 25,166 | 22,692 | 74,843 | 64,228
Fire & Safety/Diversified Products | Dispensing | Operating segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | $ 41,635 | $ 24,139 | $ 117,452 | $ 67,640

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