Quarterly Financial Data (Unaudited) - Financial Data (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 120,948	$ 121,527	$ 131,770	$ 121,197	$ 119,243	$ 116,732	$ 119,227	$ 108,743	$ 495,442	$ 463,945	$ 450,318
Gross Profit	45,451	43,147	44,541	39,685	26,352	41,861	45,016	43,945	172,824	157,174	197,564
Loss from operations	(10,481)	(4,107)	(5,649)	(4,630)	(31,397)	(14,463)	(10,543)	(12,019)	(24,867)	(68,422)	(39,192)
Net loss	$ (12,134)	$ (5,501)	$ (4,110)	$ (7,584)	$ (22,336)	$ (13,196)	$ (8,912)	$ (9,873)	$ (29,329)	$ (54,317)	$ (23,953)
Net loss per common share - basic and diluted, in dollars per share	$ (0.77)	$ (0.35)	$ (0.27)	$ (0.50)	$ (1.47)	$ (0.87)	$ (0.59)	$ (0.66)	$ (1.89)	$ (3.61)	$ (1.61)