Commitments and Contingencies (Tables)

9 Months Ended

Oct. 01, 2016

Commitments and Contingencies Disclosure [Abstract]

Sales Returns

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

	Nine Months Ended
	October 1, 2016			October 3, 2015
Balance at beginning of year	$	20,562		$	15,262
Additions that reduce net sales	54,588			67,944
Deductions from reserves	(57,112		)	(63,893		)
Balance at end of period	$	18,038		$	19,313

Warranty Liabilities

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

	Nine Months Ended
	October 1, 2016			October 3, 2015
Balance at beginning of year	$	10,028		$	5,824
Additions charged to costs and expenses for current-year sales	7,014			7,514
Deductions from reserves	(7,976		)	(4,995		)
Changes in liability for pre-existing warranties during the current year, including expirations	(976		)	1,426
Balance at end of period	$	8,090		$	9,769