Commitments and Contingencies (Tables)

6 Months Ended

Jul. 01, 2017

Commitments and Contingencies Disclosure [Abstract]

Sales Returns

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

	Six Months Ended
	July 1, 2017			July 2, 2016
Balance at beginning of year	$	15,222		$	20,562
Additions that reduce net sales	32,434			35,419
Deductions from reserves	(35,054		)	(40,226		)
Balance at end of period	$	12,602		$	15,755

Warranty Liabilities

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

	Six Months Ended
	July 1, 2017			July 2, 2016
Balance at beginning of year	$	8,633		$	10,028
Additions charged to costs and expenses for current-year sales	4,243			6,601
Deductions from reserves	(3,665		)	(7,290		)
Changes in liability for pre-existing warranties during the current year, including expirations	(55		)	(1,515		)
Balance at end of period	$	9,156		$	7,824