Financial Instruments (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Dec. 31, 2013
Deferred gain/loss, net of tax, included in accumulated other comprehensive income (AOCI) related to the fair value of the Company's currency derivatives designated as accounting hedges	$ (933.1)	$ (197.4)	$ (714.3)	$ (166.7)
Currency derivatives expected to be reclassified into earnings over the next twelve months	1.2
Repayments of Long-term Debt	23.7	$ 7.8
Amount expected to be reclassified into interest expense over the next twelve months	0.5
Currency Derivatives
Derivative, Notional Amount	1,251.8		776.7
Designated as Hedging Instrument [Member]
Deferred gain/loss, net of tax, included in accumulated other comprehensive income (AOCI) related to the fair value of the Company's currency derivatives designated as accounting hedges	1.2		1.9
Senior Notes Issued in 2013 [Member] \| Interest Rate Swap [Member]
Deferred (loss) remaining in AOCI related to the interest rate locks	$ 5.4		$ 4.9

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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