Segment Information (Balance Sheet Items by Reportable Segment) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total goodwill	$ 841.2	$ 836.6	$ 860.6
Total assets	2,129.4	2,129.4
Corporate
Segment Reporting Information [Line Items]
Total assets	35.9	0.0
Crane Payment Innovations
Segment Reporting Information [Line Items]
Total goodwill	626.7	622.4	645.4
Crane Payment Innovations | Operating Segments
Segment Reporting Information [Line Items]
Total assets	1,279.1	1,266.1
Crane Currency
Segment Reporting Information [Line Items]
Total goodwill	214.5	214.2	$ 215.2
Crane Currency | Operating Segments
Segment Reporting Information [Line Items]
Total assets	$ 814.4	$ 863.3