Other Balance Sheet Items (Components Of Accounts Payable And Accrued Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Balance Sheet Related Disclosures [Abstract]
Accounts payable	$ 18,362	$ 29,335
Accrued employee compensation	38,959	49,470
Customer deposits, net	34,260	30,103
Taxes payable and other tax liabilities	40,623	47,079
accrued interest, current	33,144	21,138
Other accrued liabilities	14,758	13,153
Total accounts payable and accrued liabilities	$ 180,106	$ 190,278