Acquisitions, Goodwill And Other Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended				9 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Midstates Tool & Die And Engineering Inc. [Member]	Jun. 24, 2013 Midstates Tool & Die And Engineering Inc. [Member]	Sep. 30, 2013 Euramax International, Inc - RV Entry Door Operation [Member]	Feb. 21, 2012 Euramax International, Inc - RV Entry Door Operation [Member]	Sep. 30, 2013 Customer Relationships [Member] Euramax International, Inc - RV Entry Door Operation [Member]
Business Acquisition [Line Items]
Total net sales	$ 250,851	$ 226,323	$ 790,629	$ 700,889	$ 2,000		$ 6,000
Purchase price, cash paid at closing						1,451		1,164
Purchase price								$ 1,646
Estimated useful life in years									7 years