Receivables (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Accounts, Notes, Loans and Financing Receivable, Classified [Abstract]
Financing Receivable, Allowance for Credit Losses, Recovery	$ 10.7
Proceeds from the sale of notes receivable	$ 226.7	$ 0.0	$ 0.0
Allowance for doubtful accounts as a percentage of notes receivable	2.00%	5.00%
Percentage of notes receivable that are classified as current	99.00%	100.00%
Loans and Leases Receivable, Consumer, Allowance	$ 0.0	$ 0.0