Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 770.5	$ 833.5	$ 796.4	$ 779.6	$ 683.6	$ 686.5	$ 644.3	$ 746.9	$ 3,180.0	$ 2,761.3	$ 3,074.5
Aerospace & Electronics
Disaggregation of Revenue [Line Items]
Net sales									638.3	650.7	798.8
Aerospace & Electronics | Commercial Original Equipment
Disaggregation of Revenue [Line Items]
Net sales									229.4	226.4	357.2
Aerospace & Electronics | Military Original Equipment
Disaggregation of Revenue [Line Items]
Net sales									239.7	258.7	217.2
Aerospace & Electronics | Commercial Aftermarket Products
Disaggregation of Revenue [Line Items]
Net sales									104.5	93.0	161.4
Aerospace & Electronics | Military Aftermarket Products
Disaggregation of Revenue [Line Items]
Net sales									64.7	72.6	63.0
Process Flow Technologies
Disaggregation of Revenue [Line Items]
Net sales									1,196.6	1,005.8	1,117.4
Process Flow Technologies | Process Valves and Related Products
Disaggregation of Revenue [Line Items]
Net sales									717.1	631.6	685.1
Process Flow Technologies | Commercial Valves
Disaggregation of Revenue [Line Items]
Net sales									374.2	286.3	332.1
Process Flow Technologies | Pumps and Systems
Disaggregation of Revenue [Line Items]
Net sales									105.3	87.9	100.2
Payment & Merchandising Technologies
Disaggregation of Revenue [Line Items]
Net sales									1,345.1	1,104.8	1,158.3
Payment & Merchandising Technologies | Payment Acceptance and Dispensing Products
Disaggregation of Revenue [Line Items]
Net sales									805.7	670.8	805.5
Payment & Merchandising Technologies | Banknotes and Security Products
Disaggregation of Revenue [Line Items]
Net sales									$ 539.4	$ 434.0	$ 352.8