Product Warranty (Tables)

9 Months Ended

Sep. 28, 2014

Other Accrued Liabilities

The warranty balance below is included in other accrued liabilities on the balance sheet.

	For the Three Months Ended						For the Nine Months Ended
	September 28, 2014			September 29, 2013			September 28, 2014			September 29, 2013
	(in thousands)
Balance at beginning of period	$	9,073		$	7,351		$	6,660		$	9,786
Accruals for warranties issued during the period		4,419			3,674			12,675			8,781
Adjustments related to pre-existing warranties		(559	)		(524	)		(1,000	)		(2,323	)
Settlements made during the period		(2,982	)		(2,470	)		(8,384	)		(8,213	)
Balance at end of period	$	9,951		$	8,031		$	9,951		$	8,031

Extended Product Warranty of Short and Long-Term Deferred Revenue and Customer Advances

The extended warranty balance below is included in short and long-term deferred revenue and customer advances on the balance sheet.

	For the Three Months Ended						For the Nine Months Ended
	September 28, 2014			September 29, 2013			September 28, 2014			September 29, 2013
	(in thousands)
Balance at beginning of period	$	40,052		$	34,854		$	34,909		$	26,987
Deferral of new extended warranty revenue		9,896			5,586			24,218			17,791
Recognition of extended warranty deferred revenue		(6,451	)		(4,120	)		(15,630	)		(8,458	)
Balance at end of period	$	43,497		$	36,320		$	43,497		$	36,320