Acquisitions, Goodwill And Other Intangible Assets (Schedule Of Business Acquisitions) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011	Aug. 15, 2014	Jun. 13, 2014	Mar. 14, 2014	Feb. 27, 2014	Dec. 13, 2013	Jun. 24, 2013	Feb. 21, 2012
Business Acquisition [Line Items]
Total fair value of consideration given	$ 8,129	[1]	$ 7,414	[1]	$ 11,519	[1]	$ 14,561
Goodwill (tax deductible)	66,521		21,545				20,499
Duncan Systems, Inc.
Business Acquisition [Line Items]
Cash consideration								18,000
Contingent consideration								1,914
Total fair value of consideration given								19,914
Net tangible assets								4,070
Total fair value of net assets acquired								15,500
Goodwill (tax deductible)								4,414
PowerGear and Kwikee Brands
Business Acquisition [Line Items]
Cash consideration									35,500
Net tangible assets									2,227
Total fair value of net assets acquired									21,957
Goodwill (tax deductible)									13,543
Star Designs, LLC
Business Acquisition [Line Items]
Cash consideration										12,232
Net tangible assets										2,108
Total fair value of net assets acquired										7,118
Goodwill (tax deductible)										5,114
Innovative Design Solutions, Inc
Business Acquisition [Line Items]
Cash consideration											34,175
Present value of future payments											1,739
Contingent consideration											710
Total fair value of consideration given											36,624
Net tangible assets											1,894
Total fair value of net assets acquired											15,074
Goodwill (tax deductible)											21,550
Fortress Technologies LLC
Business Acquisition [Line Items]
Cash consideration												3,299
Net tangible assets												3,410
Total fair value of net assets acquired												3,299
Midstates Tool & Die and Engineering Inc.
Business Acquisition [Line Items]
Cash consideration													1,451
Net tangible assets													1,043
Total fair value of net assets acquired													1,083
Goodwill (tax deductible)													368
RV Entry Door Operation
Business Acquisition [Line Items]
Cash consideration														1,164
Present value of future payments														482
Total fair value of consideration given														1,646
Net tangible assets														785
Total fair value of net assets acquired														1,095
Goodwill (tax deductible)														551
Customer Relationships | Duncan Systems, Inc.
Business Acquisition [Line Items]
Intangible assets, excluding goodwill								10,500
Customer Relationships | PowerGear and Kwikee Brands
Business Acquisition [Line Items]
Intangible assets, excluding goodwill									12,300
Customer Relationships | Star Designs, LLC
Business Acquisition [Line Items]
Intangible assets, excluding goodwill										4,400
Customer Relationships | Innovative Design Solutions, Inc
Business Acquisition [Line Items]
Intangible assets, excluding goodwill											4,000
Customer Relationships | RV Entry Door Operation
Business Acquisition [Line Items]
Intangible assets, excluding goodwill														270
Patents | PowerGear and Kwikee Brands
Business Acquisition [Line Items]
Intangible assets, excluding goodwill									5,300
Patents | Innovative Design Solutions, Inc
Business Acquisition [Line Items]
Intangible assets, excluding goodwill											6,000
Other Identifiable Intangible Assets | Duncan Systems, Inc.
Business Acquisition [Line Items]
Intangible assets, excluding goodwill								930
Other Identifiable Intangible Assets | PowerGear and Kwikee Brands
Business Acquisition [Line Items]
Intangible assets, excluding goodwill									2,130
Other Identifiable Intangible Assets | Star Designs, LLC
Business Acquisition [Line Items]
Intangible assets, excluding goodwill										610
Other Identifiable Intangible Assets | Innovative Design Solutions, Inc
Business Acquisition [Line Items]
Intangible assets, excluding goodwill											3,180
Other Identifiable Intangible Assets | RV Entry Door Operation
Business Acquisition [Line Items]
Net tangible assets														40
Working capital, net | Fortress Technologies LLC
Business Acquisition [Line Items]
Net tangible assets												(111)
Non-compete Agreement | Midstates Tool & Die and Engineering Inc.
Business Acquisition [Line Items]
Intangible assets, excluding goodwill													$ 40

[1] Amounts represent the fair value of estimated remaining payments. The total estimated remaining payments as of December 31, 2014 are $11.7 million. The liability for contingent consideration expires at various dates through September 2029. Certain of the contingent consideration arrangements are subject to a maximum payment amount, while the remaining arrangements have no maximum contingent consideration.