Payables And Other Current Liabilities (Schedule Of Payables And Other Current Liabilities) (Details) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accounts payable	$ 33.0	$ 53.6
Accrued income and other taxes	40.8	19.7
Accrued payroll-related expenses	120.4	100.2
Derivative liabilities	6.8	7.2
Accrued expenses, other	81.7	103.6
Deferred revenue and government grants	65.9	60.1
Restructuring and exit costs	14.4	35.8
Payables and other current liabilities, total	$ 363.0	$ 380.2