Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2012

Valuation and Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

			Additions Charged to
Description	Balance at Beginning of Period		Cost and Expenses		Other Accounts (1)		Deductions (2)			Balance at End of Period
For The Year Ended December 31, 2012:
Reserve for Doubtful Accounts	$	3,196	$	4,629	$	-	$	( 908	)	$	6,917
Reserve for Sales Returns	$	6,143	$	43,284	$	-	$	( 37,526	)	$	11,901
For The Year Ended December 31, 2011:
Reserve for Doubtful Accounts	$	1,824	$	2,595	$	70	$	(1,293	)	$	3,196
Reserve for Sales Returns	$	3,406	$	26,610	$	-	$	( 23,873	)	$	6,143
For The Year Ended December 31, 2010:
Reserve for Doubtful Accounts	$	327	$	1,509	$	-	$	( 12	)	$	1,824
Reserve for Sales Returns	$	402	$	3,723	$	-	$	( 719	)	$	3,406