Segment Results (Schedule Of Assets By Segment) (Detail) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 4,353.2	$ 4,486.6
Engineered Materials
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	234.1	220.5
Aerospace & Electronics
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	625.6	604.7
Process Flow Technologies
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	1,282.5	1,240.4
Payment & Merchandising Technologies
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	2,057.6	2,096.5
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 153.4	$ 324.5