Other Balance Sheet Items (Components Of Accounts Payable And Accrued Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Balance Sheet Related Disclosures [Abstract]
Accounts payable	$ 22,688	$ 24,843
Accrued employee compensation	29,296	49,974
Customer deposits, net	21,610	20,869
Taxes payable and other tax liabilities	8,752	19,853
Other accrued liabilities	26,648	33,737
Total accounts payable and accrued liabilities	$ 108,994	$ 149,276