Employee Benefit Plans Weighted average fair value of restricted stock plan issuances (Details) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value (in dollars)	$ 13.53	$ 8.63	$ 8.46
Performance-Based Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value (in dollars)	$ 60.38	$ 55.13	$ 44.33
Time-Based Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value (in dollars)	$ 71.50	$ 58.72	$ 54.40