Commitments and Contingencies (Tables)

3 Months Ended

Apr. 02, 2016

Commitments and Contingencies Disclosure [Abstract]

Sales Returns

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

	Three Months Ended
	April 2, 2016			April 4, 2015
Balance at beginning of year	$	20,562		$	15,262
Additions that reduce net sales	23,636			23,077
Deductions from reserves	(21,288		)	(23,174		)
Balance at end of period	$	22,910		$	15,165

Warranty Liabilities

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

	Three Months Ended
	April 2, 2016			April 4, 2015
Balance at beginning of year	$	10,028		$	5,824
Additions charged to costs and expenses for current-year sales	3,585			3,008
Deductions from reserves	(3,272		)	(2,318		)
Changes in liability for pre-existing warranties during the current year, including expirations	(574		)	211
Balance at end of period	$	9,767		$	6,725