Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Consolidated Statements Of Income [Abstract]
Net sales	$ 901,123	[1]	$ 681,166	[1]	$ 572,755	[1]
Cost of sales	732,464		541,445		446,585
Gross profit	168,659		139,721		126,170
Selling, general and administrative expenses	109,071		91,173		80,742
Executive succession	1,456
Operating profit	58,132	[2],[3]	48,548	[2],[3]	45,428	[2],[3]
Interest expense, net	330		292		218
Income before income taxes	57,802		48,256		45,210
Provision for income taxes	20,462		18,197		17,176
Net income	$ 37,340		$ 30,059		$ 28,034
Net income per common share:
Basic	$ 1.66		$ 1.35		$ 1.27
Diluted	$ 1.64		$ 1.34		$ 1.26
Weighted average common shares outstanding:
Basic	22,558		22,267		22,123
Diluted	22,828		22,444		22,266

[1] Thor Industries, Inc., a customer of the RV Segment, accounted for 34 percent, 36 percent and 41 percent of the Company's consolidated net sales for the years ended December 31, 2012, 2011 and 2010, respectively. Berkshire Hathaway Inc. (through its subsidiaries Forest River, Inc. and Clayton Homes, Inc.), a customer of both segments, accounted for 27 percent, 27 percent and 26 percent of the Company's consolidated net sales for the years ended December 31, 2012, 2011 and 2010, respectively. No other customer accounted for more than 10 percent of consolidated net sales in the years ended December 31, 2012, 2011 and 2010.

[2] Certain general and administrative expenses of Lippert and Kinro are allocated between the segments based upon net sales or operating profit, depending upon the nature of the expense.

[3] Corporate and Other was comprised of the following for the years ended December 31, (in thousands): 2012 2011 2010 Corporate expenses $ (8,508 ) $ (7,483 ) $ (7,990 ) Executive succession (1,456 ) - - Accretion related to contingent consideration (1,756 ) (1,886 ) (1,582 ) Other non-segment items 1,397 222 1,022 Total Corporate and Other $ (10,323 ) $ (9,147 ) $ (8,550 )