Goodwill and Related Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill) (Details) (USD $)	9 Months Ended
	Sep. 30, 2014
Goodwill [Line Items]
Balance at	$ 341,174,000
Foreign currency translation	(292,000)
Balance at	340,882,000
Residential Products
Goodwill [Line Items]
Balance at	195,520,000
Foreign currency translation	0
Balance at	195,520,000
Industrial and Infrastructure Products
Goodwill [Line Items]
Balance at	145,654,000
Foreign currency translation	(292,000)
Balance at	$ 145,362,000