Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net Sales	$ 349,362	$ 310,894	$ 556,044	$ 495,195
Cost of sales	254,625	219,499	399,934	378,183
Gross profit	94,737	91,395	156,110	117,012
Selling, general and administrative expenses	50,925	51,742	132,041	145,492
Income (loss) from operations	43,812	39,653	24,069	(28,480)
Equity in net (loss) income of joint venture		(572)	314	(2,024)
Other income	5,932		5,932
Interest income	32	92	89	301
Interest expense	(3,969)	(2,298)	(9,158)	(7,202)
Income (loss) before provision for income taxes	45,807	36,875	21,246	(37,405)
Provision for income taxes	1,738	278	2,535	433
Net income (loss)	44,069	36,597	18,711	(37,838)
Earnings (loss) per share - basic	$ 2.33	$ 1.67	$ 0.90	$ (1.73)
Earnings (loss) per share - diluted	$ 1.03	$ 1.11	$ 0.61	$ (1.73)
Comprehensive income (loss)	$ 43,821	$ 37,508	$ 18,952	$ (37,511)