Accrued Expenses And Other (Components Of Accrued Expenses) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Accrued Liabilities [Abstract]
Salaries, commissions, bonuses and benefits	$ 279,223	$ 287,248
Accrued partner liabilities	110,274	124,359
Other	200,771	176,043
Total	$ 590,268	$ 587,650