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Revenue - Revenue by Reporting Unit (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Disaggregation of Revenue [Line Items] |  |
Total net sales | $ 622,231 | $ 612,324
Intersegment elimination |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | (1,740) | (257)
Fluid & Metering Technologies |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 242,336 | 232,261
Fluid & Metering Technologies | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 242,336 | 232,261
Fluid & Metering Technologies | Intersegment elimination |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | (186) | (72)
Fluid & Metering Technologies | Energy | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 39,398 | 38,759
Fluid & Metering Technologies | Valves | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 29,382 | 26,029
Fluid & Metering Technologies | Water | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 61,132 | 58,840
Fluid & Metering Technologies | Pumps | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 88,260 | 80,666
Fluid & Metering Technologies | Agriculture | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 24,350 | 28,039
Health & Science Technologies |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 224,688 | 220,967
Health & Science Technologies | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 224,688 | 220,967
Health & Science Technologies | Intersegment elimination |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | (602) | (108)
Health & Science Technologies | Scientific Fluidics & Optics | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 107,308 | 99,507
Health & Science Technologies | Sealing Solutions | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 50,506 | 53,702
Health & Science Technologies | Gast | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 33,909 | 28,512
Health & Science Technologies | Micropump | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 8,755 | 9,298
Health & Science Technologies | Material Processing Technologies | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 24,812 | 30,056
Fire & Safety/Diversified Products |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 155,207 | 159,096
Fire & Safety/Diversified Products | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 155,207 | 159,096
Fire & Safety/Diversified Products | Intersegment elimination |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | (952) | (77)
Fire & Safety/Diversified Products | Fire & Safety | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 99,448 | 96,212
Fire & Safety/Diversified Products | BAND-IT | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | 27,912 | 27,474
Fire & Safety/Diversified Products | Dispensing | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total net sales | $ 28,799 | $ 35,487

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