Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenues	$ 352.4	$ 334.0	$ 681.5	$ 666.6
Crane Payment Innovations
Disaggregation of Revenue [Line Items]
Revenues	225.9	211.4	449.7	422.4
Crane Currency
Disaggregation of Revenue [Line Items]
Revenues	126.5	122.6	231.8	244.2
Products | Crane Payment Innovations
Disaggregation of Revenue [Line Items]
Revenues	193.1	181.3	385.8	363.0
Services | Crane Payment Innovations
Disaggregation of Revenue [Line Items]
Revenues	32.8	30.1	63.9	59.4
Banknotes and Security Products | Crane Currency
Disaggregation of Revenue [Line Items]
Revenues	$ 126.5	$ 122.6	$ 231.8	$ 244.2