Segment Results (Schedule Of Assets By Segment) (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 4,120.5	$ 3,593.5
Fluid Handling [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	875.2	941.6
Payment and Merchandising Technologies [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	2,161.6	1,215.7
Aerospace and Electronics [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	584.7	573.0
Engineered Materials
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	224.1	220.8
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 274.9	$ 642.4