Segment Results (Schedule Of Assets By Segment) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Assets	$ 2,770,137	$ 2,706,697
Aerospace And Electronics [Member]
Assets	523,492	498,775
Engineered Materials [Member]
Assets	261,278	255,340
Merchandising Systems [Member]
Assets	441,505	419,704
Fluid Handling [Member]
Assets	907,655	829,523
Controls [Member]
Assets	66,114	66,744
Corporate [Member]
Assets	$ 570,093	$ 636,611