Other Balance Sheet Items (Property And Equipment, Net) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Balance Sheet Related Disclosures [Abstract]
Land	$ 31,141	$ 31,141
Buildings and building improvements	240,572	236,171
Computer equipment and software	359,331	315,654
Capital work in progress	16,213	11,393
Office equipment and furniture	6,305	6,420
Leasehold improvements	2,189	2,223
Total cost	655,751	603,002
Less: accumulated depreciation and amortization	(316,098)	(269,141)
Total property and equipment, net	$ 339,653	$ 333,861