Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill Attributable To Each Business Segment) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010
Goodwill [Line Items]
Beginning Balance	$ 571,796		$ 578,014
Acquisitions	112,221		5,202
Foreign currency translation	(7,435)		(11,420)
Ending Balance	676,582		571,796
Cumulative goodwill impairment charges	252,533	[1]
Industrial Products Group [Member]
Goodwill [Line Items]
Beginning Balance	250,084		256,824
Acquisitions	112,221
Foreign currency translation	(4,070)		(6,740)
Ending Balance	358,235		250,084
Cumulative goodwill impairment charges	252,533	[1]
Engineered Products Group [Member]
Goodwill [Line Items]
Beginning Balance	321,712		321,190
Acquisitions			5,202
Foreign currency translation	(3,365)		(4,680)
Ending Balance	$ 318,347		$ 321,712

[1] Based on exchange rates at the date of the charge.