Fair Value Measurements (Assets And Liabilities Measured At Fair Value) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	$ 17.2	$ 19.0
Fixed income	11.6	8.1
Stable value fund	3.9	3.3
Other	2.9	2.4
Foreign exchange contracts	82.6	114.5
Total assets	118.2	147.3
Interest rate contracts		1.6
Foreign exchange contracts	61.5	102.0
Contingent earn-out consideration	105.3	57.5
Total liabilities	166.8	161.1
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	17.2	19.0
Fixed income	11.6	8.1
Other	2.9	2.4
Total assets	31.7	29.5
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stable value fund	3.9	3.3
Foreign exchange contracts	82.6	114.5
Total assets	86.5	117.8
Interest rate contracts		1.6
Foreign exchange contracts	61.5	102.0
Total liabilities	61.5	103.6
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent earn-out consideration	105.3	57.5
Total liabilities	$ 105.3	$ 57.5