Segment Results (Schedule Of Financial Information By Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Net sales	$ 352.4		$ 334.0	$ 681.5	$ 666.6
Operating profit	68.8		73.4	134.7	150.3
Interest income	0.2		0.1	0.4	0.1
Miscellaneous income, net	1.0		2.1	2.4	2.9
Income before income taxes	55.9		61.5	110.5	125.0
Nonrelated Party
Segment Reporting Information [Line Items]
Interest expense	(14.1)		(10.5)	(24.5)	(21.0)
Related Party
Segment Reporting Information [Line Items]
Interest expense	0.0	$ (2.5)	(3.6)	(2.5)	(7.3)
Corporate
Segment Reporting Information [Line Items]
Operating profit	(30.7)		(7.3)	(44.2)	(14.6)
Crane Payment Innovations
Segment Reporting Information [Line Items]
Net sales	225.9		211.4	449.7	422.4
Crane Payment Innovations | Operating Segments
Segment Reporting Information [Line Items]
Operating profit	64.8		51.3	126.6	100.3
Crane Currency
Segment Reporting Information [Line Items]
Net sales	126.5		122.6	231.8	244.2
Crane Currency | Operating Segments
Segment Reporting Information [Line Items]
Operating profit	$ 34.7		$ 29.4	$ 52.3	$ 64.6