Segment Results (Schedule Of Financial Information By Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Net sales	$ 370.6	$ 352.4	$ 684.2	$ 681.5
Operating profit:	67.6	68.8	123.0	134.7
Interest income	0.4	0.2	1.0	0.4
Miscellaneous (expense) income, net	(0.2)	1.0	0.4	2.4
Income before income taxes	55.4	55.9	102.1	110.5
Nonrelated Party
Segment Reporting Information [Line Items]
Interest expense	(12.4)	(14.1)	(22.3)	(24.5)
Related Party
Segment Reporting Information [Line Items]
Interest expense	0.0	0.0	0.0	(2.5)
Corporate
Segment Reporting Information [Line Items]
Operating profit:	(17.8)	(30.7)	(35.3)	(44.2)
Crane Payment Innovations
Segment Reporting Information [Line Items]
Net sales	224.4	225.9	433.4	449.7
Crane Payment Innovations | Operating Segments
Segment Reporting Information [Line Items]
Operating profit:	61.4	64.8	114.1	126.6
Security and Authentication Technologies
Segment Reporting Information [Line Items]
Net sales	146.2	126.5	250.8	231.8
Security and Authentication Technologies | Operating Segments
Segment Reporting Information [Line Items]
Operating profit:	$ 24.0	$ 34.7	$ 44.2	$ 52.3