Hedging Transactions and Derivative Financial Instruments - Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended					12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 Foreign currency contracts Not designated as hedging instrument	Dec. 31, 2013 Cash flow hedging Forward foreign currency	Dec. 31, 2013 Cash flow hedging Interest rate swap	Dec. 31, 2012 Cash flow hedging Interest rate swap	Dec. 31, 2013 Range 1	Dec. 31, 2013 Range 2
Derivative [Line Items]
Maximum length of time hedged in cash flow hedge						1 year	2 years
Total notional values		$ 115.1	$ 11.2	$ 7.3	$ 109.6
Cash flow hedge gain to be reclassified within 12 months	$ 0.4