Segment Reporting (Schedule Of Information Relating To Segments) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Segment Reporting Information
Net sales	$ 422,798	$ 361,457
Operating profit	55,728	31,838
RV Segment
Segment Reporting Information
Net sales	391,679	334,571
Operating profit	51,281	29,133
Travel Trailer And Fifth-Wheels
Segment Reporting Information
Net sales	283,369	259,695
Motorhomes
Segment Reporting Information
Net sales	28,523	22,309
RV Aftermarket
Segment Reporting Information
Net sales	24,968	17,209
Adjacent Industries
Segment Reporting Information
Net sales	54,819	35,358
MH Segment
Segment Reporting Information
Net sales	31,119	26,886
Operating profit	4,447	2,705
Manufactured Housing OEMs
Segment Reporting Information
Net sales	21,229	17,823
Manufactured Housing Aftermarket
Segment Reporting Information
Net sales	4,649	3,829
Adjacent Industries
Segment Reporting Information
Net sales	$ 5,241	$ 5,234