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Revenue - Revenue by Reporting Unit (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Disaggregation of Revenue [Line Items] |  |
Total net sales | $ 652,036 | $ 594,462
Intersegment elimination |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | (1,182) | (782)
Fluid & Metering Technologies |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 243,066 | 226,712
Fluid & Metering Technologies | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 243,066 | 226,712
Fluid & Metering Technologies | Intersegment elimination |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | (299) | (149)
Fluid & Metering Technologies | Energy | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 45,362 | 38,514
Fluid & Metering Technologies | Valves | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 28,061 | 26,207
Fluid & Metering Technologies | Water | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 61,616 | 58,336
Fluid & Metering Technologies | Pumps | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 82,351 | 81,830
Fluid & Metering Technologies | Agriculture | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 25,975 | 21,974
Health & Science Technologies |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 249,507 | 223,456
Health & Science Technologies | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 249,507 | 223,456
Health & Science Technologies | Intersegment elimination |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | (862) | (603)
Health & Science Technologies | Scientific Fluidics & Optics | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 114,357 | 106,142
Health & Science Technologies | Sealing Solutions | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 65,571 | 55,330
Health & Science Technologies | Gast | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 32,872 | 27,346
Health & Science Technologies | Micropump | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 7,636 | 7,715
Health & Science Technologies | Material Processing Technologies | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 29,933 | 27,526
Fire & Safety/Diversified Products |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 159,463 | 144,294
Fire & Safety/Diversified Products | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 159,463 | 144,294
Fire & Safety/Diversified Products | Intersegment elimination |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | (21) | (30)
Fire & Safety/Diversified Products | Fire & Safety | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 96,810 | 94,068
Fire & Safety/Diversified Products | BAND-IT | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 25,813 | 25,233
Fire & Safety/Diversified Products | Dispensing | Operating segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | $ 36,861 | $ 25,023

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