Fair Value Measurements (Assets And Liabilities Measured At Fair Value) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	$ 17.7	$ 17.2
Fixed income	10.9	11.6
Stable value fund	4.7	3.9
Other	2.6	2.9
Foreign exchange contracts	140.4	82.6
Total assets	176.3	118.2
Foreign exchange contracts	154.2	61.5
Contingent earn-out consideration	99.9	105.3
Total liabilities	254.1	166.8
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	17.7	17.2
Fixed income	10.9	11.6
Other	2.6	2.9
Total assets	31.2	31.7
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stable value fund	4.7	3.9
Foreign exchange contracts	140.4	82.6
Total assets	145.1	86.5
Foreign exchange contracts	154.2	61.5
Total liabilities	154.2	61.5
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent earn-out consideration	99.9	105.3
Total liabilities	$ 99.9	$ 105.3