Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Acquisitions, Goodwill And Other Intangible Assets (Schedule Of Goodwill By Reportable Segment) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013	Jun. 30, 2012
Segment Reporting Information [Line Items]
Accumulated cost		$ 71,704
Accumulated impairment		(50,527)
Acquisitions	375	21,177
Net balance	21,177		21,552	21,177
RV Segment [Member]
Segment Reporting Information [Line Items]
Accumulated cost		61,679
Accumulated impairment		(41,276)
Acquisitions	375	20,403
Net balance			20,778
MH Segment [Member]
Segment Reporting Information [Line Items]
Accumulated cost		10,025
Accumulated impairment		(9,251)
Acquisitions		774
Net balance			$ 774