Segment Results (Schedule Of Assets By Segment) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 2,858,145	$ 2,889,878
Aerospace and Electronics
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	512,689	509,672
Engineered Materials
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	241,455	237,478
Merchandising Systems
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	412,629	408,702
Fluid Handling
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	968,030	993,275
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 723,342	$ 740,751