Commitments and Contingencies (Tables)

9 Months Ended

Sep. 29, 2012

Commitments and Contingencies Disclosure [Abstract]

Activity in sales returns liability

The activity in the sales returns liability account was as follows (in thousands):

	Nine Months Ended
	September 29, 2012			October 1, 2011
Balance at beginning of year	$	4,402		$	2,944
Additions that reduce net sales	33,082			29,891
Deductions from reserves	(32,231		)	(28,329		)
Balance at end of period	$	5,253		$	4,506

Activity in accrued warranty liabilities account

The activity in the accrued warranty liabilities account was as follows (in thousands): 

	Nine Months Ended
	September 29, 2012			October 1, 2011
Balance at beginning of year	$	6,310		$	5,744
Additions charged to costs and expenses for current-year sales	3,023			3,902
Deductions from reserves	(3,785		)	(3,573		)
Changes in liability for pre-existing warranties during the current year, including expirations	(484		)	882
Balance at end of period	$	5,064		$	6,955