Other Balance Sheet Items (Components Of Accounts Payable And Accrued Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Balance Sheet Related Disclosures [Abstract]
Accounts payable	$ 24,843	$ 23,519
Accrued employee compensation	49,974	38,778
Customer deposits, net	20,869	19,321
Taxes payable and other tax liabilities	19,853	21,918
Other accrued liabilities	33,737	26,855
Total accounts payable and accrued liabilities	$ 149,276	$ 130,391