Restructuring Expenses and Asset Impairments - Restructuring Costs (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 3,136	$ 5,364
Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	1,910	2,853
Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	442	1,067
Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	119	216
Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	665	1,228
Severance Costs
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	3,046	5,138
Severance Costs | Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	1,820	2,627
Severance Costs | Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	442	1,067
Severance Costs | Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	119	216
Severance Costs | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	665	1,228
Exit Costs
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0
Exit Costs | Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0
Exit Costs | Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0
Exit Costs | Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0
Exit Costs | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0
Asset Impairment
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	90	226
Asset Impairment | Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	90	226
Asset Impairment | Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0
Asset Impairment | Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0
Asset Impairment | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 0	$ 0