Payables And Other Current Liabilities (Schedule Of Payables And Other Current Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accounts payable	$ 32.9	$ 50.6
Accrued income and other taxes	24.5	21.2
Accrued payroll-related expenses	104.2	85.6
Derivative liabilities	21.6	6.1
Accrued expenses, other	69.2	85.7
Deferred revenue and government grants	23.0	31.1
Restructuring and exit costs	3.8	5.5
Payables and other current liabilities	$ 279.2	$ 285.8