Restructuring - Restructuring Costs (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Mar. 31, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 0	$ 4,800	$ 0	$ 4,797	$ 0
Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				130
Fluid & Metering Technologies | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				1,566
Health & Science Technologies | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				3,028
Fire & Safety/Diversified Products | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				73
Severance Costs
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				4,239
Severance Costs | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				130
Severance Costs | Fluid & Metering Technologies | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				1,566
Severance Costs | Health & Science Technologies | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				2,470
Severance Costs | Fire & Safety/Diversified Products | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				73
Exit Costs
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				558
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				558
Exit Costs | Fire & Safety/Diversified Products | Operating Segments
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				$ 0