Receivables (Rollforward Of The Allowance For Doubtful Accounts For Notes Receivable) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Mar. 31, 2015		Dec. 31, 2014	Jun. 30, 2014
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance, current				$ 4.7
Beginning balance, long-term				8.3
Ending balance, current	0.4			4.7
Ending balance, long-term	0.7			8.3
Percentage Of Notes Receivable Classified As Current			100.00%	100.00%
Allowance for Doubtful Accounts, Percent of Notes Receivable	2.00%			5.00%
Allowance for Doubtful Accounts, Noncurrent [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance, long-term	8.3
Net provision	0.7
Chargeoffs	(0.4)
Recoveries and Other - Non-Current	(7.9)	[1]
Ending balance, long-term	0.7
Allowance for Doubtful Accounts, Current [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance, current	4.7
Net provision	0.3
Chargeoffs	(0.2)
Recoveries and Other-Current	(4.4)	[1]
Ending balance, current	$ 0.4

[1] As a result of the sale of the notes receivable related to Dealer Services financing arrangements, the Company released $10.7 million of non-specific reserves that were accrued on the sold notes receivable, which was recorded in selling, general, and administrative expenses on the Statements of Consolidated Earnings.