Product Warranty (Tables)

9 Months Ended

Sep. 29, 2013

Other Accrued Liabilities

The warranty balance below is included in other accrued liabilities.

	For the Three Months Ended						For the Nine Months Ended
	September 29, 2013			September 30, 2012			September 29, 2013			September 30, 2012
	(in thousands)
Balance at beginning of period	$	7,351		$	11,047		$	9,786		$	8,154
Accruals for warranties issued during the period		3,674			4,118			8,781			13,543
Adjustments related to pre-existing warranties		(524	)		1,226			(2,323	)		1,369
Settlements made during the period		(2,470	)		(3,813	)		(8,213	)		(10,488	)
Balance at end of period	$	8,031		$	12,578		$	8,031		$	12,578

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.

	For the Three Months Ended						For the Nine Months Ended
	September 29, 2013			September 30, 2012			September 29, 2013			September 30, 2012
	(in thousands)
Balance at beginning of period	$	34,854		$	20,754		$	26,987		$	12,742
Deferral of new extended warranty revenue		5,586			8,733			17,791			21,015
Recognition of extended warranty deferred revenue		(4,120	)		(2,007	)		(8,458	)		(6,277	)
Balance at end of period	$	36,320		$	27,480		$	36,320		$	27,480