Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill Attributable To Each Business Segment) (Details) (USD $) In Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2011		Dec. 31, 2010
Goodwill [Line Items]
Beginning Balance	$ 571,796		$ 578,014
Acquisitions			5,202
Foreign currency translation	(1,792)		(11,420)
Ending Balance	570,004		571,796
Cumulative goodwill impairment charges	252,533	[1]
Industrial Products Group [Member]
Goodwill [Line Items]
Beginning Balance	250,084		256,824
Acquisitions
Foreign currency translation	(1,154)		(6,740)
Ending Balance	248,930		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	(638)		(4,680)
Ending Balance	$ 321,074		$ 321,712

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