Segment Results (Schedule Of Assets By Segment) (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 4,586.5	$ 4,588.9
Fluid Handling
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	1,135.5	1,106.1
Payment & Merchandising Technologies
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	2,146.9	2,215.3
Aerospace & Electronics
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	612.4	593.9
Engineered Materials
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	223.2	217.3
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 468.5	$ 456.3