Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 404.4	$ 370.6	$ 734.7	$ 684.2
Security and Authentication Technologies
Disaggregation of Revenue [Line Items]
Net sales	193.0	146.2	320.4	250.8
Crane Payment Innovations
Disaggregation of Revenue [Line Items]
Net sales	211.4	224.4	414.3	433.4
Products \| Crane Payment Innovations
Disaggregation of Revenue [Line Items]
Net sales	177.1	190.6	347.0	367.0
Services \| Crane Payment Innovations
Disaggregation of Revenue [Line Items]
Net sales	34.3	33.8	67.3	66.4
Banknotes and Security Products \| Security and Authentication Technologies
Disaggregation of Revenue [Line Items]
Net sales	143.5	124.1	236.9	227.5
Authentication Products and Solutions \| Security and Authentication Technologies
Disaggregation of Revenue [Line Items]
Net sales	$ 49.5	$ 22.1	$ 83.5	$ 23.3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Crane NXT, Co. 10-Q