Receivables (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Receivables
Allowance for doubtful accounts as a percentage of notes receivable	6.00%	10.00%
Current notes receivable, non-accrual status	$ 2.2
Long-term notes receivable, non-accrual status	$ 0.1
Percentage of notes receivable that are classified as current	99.00%
Charge-offs as a percentage of notes receivable	1.90%
Notes receivable, number of days past due	60