Commitments And Contingencies Product Warranties (Tables)

9 Months Ended

Sep. 27, 2015

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

Warranty Obligation

Changes in the Company’s warranty obligation, which is included in other accrued liabilities in the unaudited condensed consolidated balance sheets, are as follows (in thousands):

	Three Months Ended						Nine Months Ended
	September 27, 2015			September 28, 2014			September 27, 2015			September 28, 2014
Balance as of beginning of the period	$	40,967		$	41,934		$	44,888		$	48,754
Provision for warranty obligation made during the period	22,625			17,175			53,862			44,630
Settlements made during the period	(15,664		)	(16,357		)	(50,822		)	(50,632		)
Balance at end of period	$	47,928		$	42,752		$	47,928		$	42,752