Restructuring Expenses and Asset Impairments - Restructuring Costs (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 2,228
Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	943
Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	625
Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	97
Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	563
Severance Costs
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	2,092
Severance Costs | Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	807
Severance Costs | Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	625
Severance Costs | Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	97
Severance Costs | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	563
Exit Costs
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0
Exit Costs | Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0
Exit Costs | Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0
Exit Costs | Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0
Exit Costs | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0
Asset Impairment
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	136
Asset Impairment | Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	136
Asset Impairment | Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0
Asset Impairment | Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0
Asset Impairment | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 0