Other Balance Sheet Items (Components Of Accounts Payable And Accrued Liabilities) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Other Balance Sheet Items [Abstract]
Accounts payable	$ 16,954	$ 16,727
Accrued employee compensation	34,863	52,628
Customer deposits, net	18,353	18,681
Payables to buyers	218	11,337
Taxes payable, deferred and other tax liabilities	28,595	38,168
Accrued restructuring costs	4,096	17,460
Other accrued liabilities	34,228	40,234
Total accounts payable and accrued liabilities	$ 137,307	$ 195,235