Financial Instruments and Fair Value Measurements - Derivative Instruments and Hedging Activities (Details) - Jun. 30, 2015 - Net investment hedging - USD ($) $ in Millions	Total	Total
Euro-denominated net investment in foreign operations
Net unrealized gain (loss) recognized in other comprehensive income:
Hedged item	$ 19.5	$ 22.2
4.625% Senior Notes
Net unrealized gain (loss) recognized in other comprehensive income:
Hedging instrument	(19.5)	(22.2)
Debt and capital lease obligations, net of current portion \| Level 2 \| 4.625% Senior Notes
Derivatives and hedging activities:
Fair value, hedging instrument	$ 541.9	$ 541.9

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Fair value of all derivative liabilities designated as hedges of net investment in foreign operations.

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