Basis of Presentation Basis of Presentation (Details 1) (USD $)	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Mar. 31, 2014 Restatement Adjustment [Member]	Jun. 30, 2013 Restatement Adjustment [Member]	Jun. 30, 2013 Restatement Adjustment [Member]
Indefinite-Lived Intangible Assets (Excluding Goodwill)							$ 5,400,000	$ 5,400,000
Other noncurrent assets	5,321,000	5,703,000	5,321,000	4,983,000	5,703,000		(5,400,000)	(5,400,000)
General and administrative	29,494,000	28,347,000	56,435,000		54,382,000		200,000	500,000
Net sales	207,893,000	195,348,000	376,198,000		349,628,000		(200,000)	0
Gross Profit	95,900,000	89,172,000	173,680,000		153,892,000	2,300,000
Income (Loss) from Operations	32,133,000	29,678,000	51,738,000		38,691,000	2,000,000
Net income	$ 20,451,000	$ 18,502,000	$ 32,538,000	$ 27,674,000	$ 23,297,000	$ 1,300,000