Commitments and Contingencies (Tables)

9 Months Ended

Sep. 27, 2014

Commitments and Contingencies Disclosure [Abstract]

Sales Returns

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

	Nine Months Ended
	September 27, 2014			September 28, 2013
Balance at beginning of year	$	9,433		$	5,330
Additions that reduce net sales	55,047			33,260
Deductions from reserves	(50,074		)	(28,816		)
Acquired sales return reserve(1)	—			98
Balance at end of period	$	14,406		$	9,872

⁽¹⁾ Acquired sales return reserve resulted from the acquisition of Comfortaire Corporation in the first quarter of fiscal 2013.

Warranty Liabilities

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

	Nine Months Ended
	September 27, 2014			September 28, 2013
Balance at beginning of year	$	4,153		$	4,858
Additions charged to costs and expenses for current-year sales	6,119			3,206
Deductions from reserves	(5,434		)	(4,428		)
Changes in liability for pre-existing warranties during the current year, including expirations	268			3
Acquired warranty reserve(1)	—			532
Balance at end of period	$	5,106		$	4,171

⁽¹⁾ Acquired warranty reserve resulted from the acquisition of Comfortaire Corporation in the first quarter of fiscal 2013.