Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2012

Summary of Significant Accounting Policies [Abstract]

Schedule of Inventory, Current

Inventories are stated at the lower of cost or market, determined by the first-in, first-out method, and consist of the following:

	March 31, 2012		December 31, 2011
Finished goods	$	69,722	$	65,391
Work-in-process		8,525		9,088
Raw materials and supplies		19,423		16,733
	$	97,670	$	91,212

Changes in accrued sales returns

The Company had the following activity for sales returns from December 31, 2011 to March 31, 2012:

Balance as of December 31, 2011	$	5,285
Amounts accrued		11,768
Returns charged to accrual		(10,920	)
Balance as of March 31, 2012	$	6,133

Warranty activity

The Company had the following activity for warranties from December 31, 2011 to March 31, 2012:

Balance as of December 31, 2011	$	4,280
Amounts accrued		1,393
Warranties charged to accrual		(1,089	)
Balance as of March 31, 2012	$	4,584