Commitments And Contingencies (Schedule of Minimum Purchase Obligations) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended								12 Months Ended
	Jul. 31, 2015	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	[1]
Long-term Purchase Commitment
Long-term purchase commitment, time period		6 years
Net sales		$ 334,228	$ 345,296	$ 362,085	$ 361,457	$ 289,351	$ 294,271	$ 321,783	$ 285,377	$ 1,403,066	$ 1,190,782	$ 1,015,576
Inventories
Long-term Purchase Commitment
Deposits on inventory scheduled for delivery	$ 11,000
Furrion Limited
Long-term Purchase Commitment
Long-term purchase commitment, time period	6 years
Net sales											$ 35,000
Furrion Limited | Inventories
Long-term Purchase Commitment
July 2015 - June 2016	$ 60,000
July 2016 - June 2017	90,000
July 2017 - June 2018	127,000
July 2018 - June 2019	$ 172,000

[1] (a) Thor Industries, Inc., a customer of the RV Segment, accounted for 29 percent, 33 percent and 34 percent of the Company’s consolidated net sales for the years ended December 31, 2015, 2014 and 2013, respectively. Berkshire Hathaway Inc. (through its subsidiaries Forest River, Inc. and Clayton Homes, Inc.), a customer of both segments, accounted for 26 percent, 28 percent and 28 percent of the Company’s consolidated net sales for the years ended December 31, 2015, 2014 and 2013, respectively. Jayco, Inc., a customer of the RV Segment, accounted for 10 percent of the Company's consolidated net sales for the year ended December 31, 2015. No other customer accounted for more than 10 percent of consolidated net sales in the years ended December 31, 2015, 2014 and 2013.