Acquisitions, Goodwill And Other Intangible Assets (Schedule Of Goodwill By Reportable Segment) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Segment Reporting Information [Line Items]
Accumulated cost	$ 71,704			$ 50,527
Accumulated impairment	(50,527)			(50,527)
Net balance	20,499	7,497
Acquisitions	678	13,002	7,497
Net balance	21,177	20,499	7,497
RV Segment [Member]
Segment Reporting Information [Line Items]
Accumulated cost	61,679			41,276
Accumulated impairment	(41,276)			(41,276)
Net balance	19,725	7,497
Acquisitions	678	12,228	7,497
Net balance	20,403	19,725	7,497
MH Segment [Member]
Segment Reporting Information [Line Items]
Accumulated cost	10,025			9,251
Accumulated impairment	(9,251)			(9,251)
Net balance	774
Acquisitions		774
Net balance	$ 774	$ 774