Revenue - Revenue by Reporting Unit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Total net sales	$ 2,494,573	$ 2,483,666
Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(3,671)	(1,333)
Fluid & Metering Technologies | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	956,523	951,275
Fluid & Metering Technologies | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(505)	(277)
Fluid & Metering Technologies | Energy | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	164,825	163,996
Fluid & Metering Technologies | Valves | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	118,333	113,136
Fluid & Metering Technologies | Water | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	250,589	251,020
Fluid & Metering Technologies | Pumps | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	331,098	324,222
Fluid & Metering Technologies | Agriculture | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	92,183	99,178
Health & Science Technologies | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	912,623	895,970
Health & Science Technologies | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(1,823)	(449)
Health & Science Technologies | Scientific Fluidics & Optics | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	434,623	417,859
Health & Science Technologies | Sealing Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	200,495	200,316
Health & Science Technologies | Gast | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	133,471	126,787
Health & Science Technologies | Micropump | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	32,216	36,827
Health & Science Technologies | Material Processing Technologies | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	113,641	114,630
Fire & Safety/ Diversified Products | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	625,427	636,421
Fire & Safety/ Diversified Products | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(1,343)	(607)
Fire & Safety/ Diversified Products | Fire & Safety | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	403,949	396,926
Fire & Safety/ Diversified Products | Band-It | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	106,624	105,785
Fire & Safety/ Diversified Products | Dispensing | Operating Segments
Disaggregation of Revenue [Line Items]
Total net sales	$ 116,197	$ 134,317