Fair Value (Fair Value Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Money market funds		$ 0.5
Available-for-sale securities	2.6	2.5
Total Assets	3.5	6.4
Total Liabilities	4.7	0.3
Foreign Exchange Forward Contracts [Member]
Foreign exchange forward contracts	0.9	3.4
Foreign exchange forward contracts	4.7	0.3
Level 1 [Member]
Money market funds		0.5
Available-for-sale securities	2.6	2.5
Total Assets	2.6	3.0
Total Liabilities	0	0
Level 1 [Member] | Foreign Exchange Forward Contracts [Member]
Foreign exchange forward contracts	0	0
Foreign exchange forward contracts	0	0
Level 2 [Member]
Money market funds		0
Available-for-sale securities	0	0
Total Assets	0.9	3.4
Total Liabilities	4.7	0.3
Level 2 [Member] | Foreign Exchange Forward Contracts [Member]
Foreign exchange forward contracts	0.9	3.4
Foreign exchange forward contracts	$ 4.7	$ 0.3