Allowances (Tables)

12 Months Ended

Dec. 31, 2012

Allowances For Doubtful Accounts and Sales Returns Tables

Allowances Rollforward

($ thousands)	Balance at Beginning of Year		Charged to costs and expenses		Reversals and Write-offs		Balance at End of Year
Year ended December 31, 2010:
Allowance for doubtful accounts	$	3,973	$	2,204	$	(1,535)	$	4,642
Reserve for sales returns and allowances		5,866		4,971		(5,230)		5,607
Year ended December 31, 2011:
Allowance for doubtful accounts		4,642		(383)		(579)		3,680
Reserve for sales returns and allowances		5,607		9,965		(3,744)		11,828
Year ended December 31, 2012:
Allowance for doubtful accounts	$	3,680	$	2,166	$	(2,405)	$	3,441
Reserve for sales returns and allowances		11,828		5,111		(7,065)		9,874