Restructuring - Restructuring Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 1,642	$ 4,797
Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	340
Fluid & Metering Technologies | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	143
Health & Science Technologies | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	1,059
Fire & Safety/Diversified Products | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	100
Severance Costs
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	1,550
Severance Costs | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	340
Severance Costs | Fluid & Metering Technologies | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	143
Severance Costs | Health & Science Technologies | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	967
Severance Costs | Fire & Safety/Diversified Products | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	100
Exit Costs
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	92
Exit Costs | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0
Exit Costs | Fluid & Metering Technologies | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0
Exit Costs | Health & Science Technologies | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	92
Exit Costs | Fire & Safety/Diversified Products | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 0