Fair Value Measurements (Assets And Liabilities Measured On A Recurring Basis) (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions		Dec. 31, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Equity securities		$ 18.4	$ 22.5
Fixed income		4.9	7.1
Other investments		1.0	2.1
Money market fund		2.9	3.4
Stable value fund	[1]	1.2	0.7
Foreign exchange contracts		372.0	332.5
Total assets		400.4	368.3
Foreign exchange contracts		555.4	450.4
Total liabilities		555.4	450.4
Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Equity securities		18.4	22.5
Fixed income		4.9	7.1
Other investments		1.0	2.1
Total assets		24.3	31.7
Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Money market fund		2.9	3.4
Foreign exchange contracts		372.0	332.5
Total assets		374.9	335.9
Foreign exchange contracts		555.4	450.4
Total liabilities		$ 555.4	$ 450.4

[1] Certain investments that are measured at fair value using net asset value per share (or its equivalent) have not been classified in the fair value hierarchy.