Financial Instruments (Foreign Exchange Risk and Its Classification on Balance Sheet) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2014 Foreign Exchange Contract contract	Mar. 31, 2014 Foreign Exchange Contract Prepaid expenses and other current assets	Dec. 31, 2013 Foreign Exchange Contract Prepaid expenses and other current assets	Mar. 31, 2014 Foreign Exchange Contract Other current liabilities	Dec. 31, 2013 Foreign Exchange Contract Other current liabilities
Derivatives, Fair Value
Assets			$ 1.6	$ 4.0
Liabilities					1.2	2.8
Net derivative fair value assets		1.4
Net derivative fair value liabilities		1.0
Potential effect of rights of set off associated with the foreign exchange contracts		$ 0.2
Number of swap and forward foreign exchange contracts outstanding		26
Swaps and forward contracts maturity	90 days