Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 864.3	$ 855.5	$ 1,735.7	$ 1,688.9
Aerospace & Electronics
Disaggregation of Revenue [Line Items]
Net sales	161.5	157.5	318.6	311.5
Aerospace & Electronics | Commercial Original Equipment
Disaggregation of Revenue [Line Items]
Net sales	60.6	53.7	119.2	108.3
Aerospace & Electronics | Military and Other Original Equipment
Disaggregation of Revenue [Line Items]
Net sales	57.1	62.8	114.4	125.6
Aerospace & Electronics | Commercial Aftermarket Products
Disaggregation of Revenue [Line Items]
Net sales	29.0	25.3	57.7	44.8
Aerospace & Electronics | Military Aftermarket Products
Disaggregation of Revenue [Line Items]
Net sales	14.8	15.7	27.3	32.8
Process Flow Technologies
Disaggregation of Revenue [Line Items]
Net sales	296.0	310.7	607.4	598.8
Process Flow Technologies | Process Valves and Related Products
Disaggregation of Revenue [Line Items]
Net sales	186.7	184.3	369.6	358.6
Process Flow Technologies | Commercial Valves
Disaggregation of Revenue [Line Items]
Net sales	77.2	98.2	175.4	187.7
Process Flow Technologies | Pumps and Systems
Disaggregation of Revenue [Line Items]
Net sales	32.1	28.2	62.4	52.5
Payment & Merchandising Technologies
Disaggregation of Revenue [Line Items]
Net sales	334.0	328.2	666.6	665.6
Payment & Merchandising Technologies | Payment Acceptance and Dispensing Products
Disaggregation of Revenue [Line Items]
Net sales	211.4	197.3	422.4	382.3
Payment & Merchandising Technologies | Banknotes and Security Products
Disaggregation of Revenue [Line Items]
Net sales	122.6	130.9	244.2	283.3
Engineered Materials
Disaggregation of Revenue [Line Items]
Net sales	72.8	59.1	143.1	113.0
Engineered Materials | FRP - Recreational Vehicles
Disaggregation of Revenue [Line Items]
Net sales	32.2	24.8	67.9	49.1
Engineered Materials | FRP - Building Products
Disaggregation of Revenue [Line Items]
Net sales	31.8	26.5	59.2	48.3
Engineered Materials | FRP - Transportation
Disaggregation of Revenue [Line Items]
Net sales	$ 8.8	$ 7.8	$ 16.0	$ 15.6