Segment Information (Financial Information by Reportable Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Total net sales	$ 1,486.8	$ 1,391.3	$ 1,339.9
Less:
Selling, general and administrative	386.2	366.8	318.7
Operating profit (loss)	268.8	286.8	301.3
Interest income	1.6	1.1	0.2
Miscellaneous income, net	3.8	2.5	3.1
Income before income taxes	226.4	239.8	248.3
Capital expenditures	45.5	35.1	21.3
Depreciation and amortization	86.8	77.6	78.7
Nonrelated Party
Less:
Interest expense	(47.8)	(48.1)	(41.9)
Related Party
Less:
Interest expense	0.0	(2.5)	(14.4)
Plus:
Segment Reporting Information [Line Items]
Total net sales	0.0	0.0	0.0
Less:
Selling, general and administrative	(70.5)	72.3	33.1
Operating profit (loss)	(70.5)	(72.3)	(33.1)
Capital expenditures	0.1	1.6	0.0
Depreciation and amortization	2.4	2.2	0.5
Crane Payment Innovations
Segment Reporting Information [Line Items]
Total net sales	873.2	886.4	874.3
Crane Payment Innovations | Operating Segments
Segment Reporting Information [Line Items]
Total net sales	873.2	886.4	874.3
Less:
Cost of operations	394.2	373.3	369.6
Selling, general and administrative	160.6	152.9	156.3
Engineering expense	43.8	51.5	56.7
Other segment items	46.2	65.9	74.6
Operating profit (loss)	228.4	242.8	217.1
Capital expenditures	7.9	7.6	5.0
Depreciation and amortization	29.3	31.2	32.9
Security and Authentication Technologies
Segment Reporting Information [Line Items]
Total net sales	613.6	504.9	465.6
Security and Authentication Technologies | Operating Segments
Segment Reporting Information [Line Items]
Total net sales	613.6	504.9	465.6
Less:
Cost of operations	323.6	297.6	238.2
Selling, general and administrative	94.2	72.1	67.5
Engineering expense	27.2	18.7	11.3
Other segment items	57.7	0.2	31.3
Operating profit (loss)	110.9	116.3	117.3
Capital expenditures	37.5	25.9	16.3
Depreciation and amortization	$ 55.1	$ 44.2	$ 45.3