Segment Results (Schedule Of Financial Information By Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Net sales	$ 313.6	$ 329.1
Operating profit:	55.4	65.9
Interest income	0.6	0.2
Miscellaneous income, net	0.6	1.4
Income before income taxes	46.7	54.6
Nonrelated Party
Segment Reporting Information [Line Items]
Interest expense	(9.9)	(10.4)
Related Party
Segment Reporting Information [Line Items]
Interest expense	0.0	(2.5)
Corporate
Segment Reporting Information [Line Items]
Operating profit:	(17.5)	(13.5)
Crane Payment Innovations
Segment Reporting Information [Line Items]
Net sales	209.0	223.8
Crane Payment Innovations | Operating Segments
Segment Reporting Information [Line Items]
Operating profit:	52.7	61.8
Crane Currency
Segment Reporting Information [Line Items]
Net sales	104.6	105.3
Crane Currency | Operating Segments
Segment Reporting Information [Line Items]
Operating profit:	$ 20.2	$ 17.6