CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (UNAUDITED) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Comprehensive Income Net Of Tax [Abstract]
Net loss	$ (53.7)us-gaap_NetIncomeLoss	$ (41.6)us-gaap_NetIncomeLoss	$ (160.4)us-gaap_NetIncomeLoss	$ (105.8)us-gaap_NetIncomeLoss
Foreign currency translation adjustments	(14.5)	1.6	(35.5)	14.7
Comprehensive loss	$ (68.2)us-gaap_ComprehensiveIncomeNetOfTax	$ (40.0)us-gaap_ComprehensiveIncomeNetOfTax	$ (195.9)us-gaap_ComprehensiveIncomeNetOfTax	$ (91.1)us-gaap_ComprehensiveIncomeNetOfTax

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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