Revenue (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, amount	$ 394.1
Increase in contract liability opening balance for revenue recognized	80.0
Net sales	1,486.8	$ 1,391.3	$ 1,339.9
Security and Authentication Technologies
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Net sales	613.6	504.9	465.6
Customer One | Revenue Benchmark | Customer Concentration Risk | Security and Authentication Technologies
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Net sales	$ 209.2	$ 213.1	$ 231.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percentage	90.00%
Remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percentage	10.00%
Remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected timing of satisfaction, period