The Company and Summary of Significant Accounting Policies (Schedule Of Changes In Warranty Liability) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance as of beginning of the period	$ 44,846	$ 40,513
Provision for warranty liability made during the period	61,985	60,285
Settlements made during the period	(60,172)	(55,952)
Balance at end of period	$ 46,659	$ 44,846