Product Warranty (Tables)

6 Months Ended

Jun. 29, 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 Six Months Ended
	June 29, 2014			June 30, 2013			June 29, 2014			June 30, 2013
	(in thousands)
Balance at beginning of period	$	6,615		$	7,075		$	6,660		$	9,786
Accruals for warranties issued during the period		5,399			3,684			8,257			5,107
Adjustments related to pre-existing warranties		(302	)		(869	)		(442	)		(1,798	)
Settlements made during the period		(2,639	)		(2,539	)		(5,402	)		(5,744	)
Balance at end of period	$	9,073		$	7,351		$	9,073		$	7,351

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 Six Months Ended
	June 29, 2014			June 30, 2013			June 29, 2014			June 30, 2013
	(in thousands)
Balance at beginning of period	$	33,949		$	28,599		$	34,909		$	26,987
Deferral of new extended warranty revenue		11,960			8,734			14,321			12,205
Recognition of extended warranty deferred revenue		(5,857	)		(2,479	)		(9,178	)		(4,338	)
Balance at end of period	$	40,052		$	34,854		$	40,052		$	34,854