Stock-Based Compensation, Stock-Based Compensation - Phantom stock option activity (Details)	6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at beginning of year (in shares)	59,435	87,400
Options granted (in shares)	0	0
Outstanding at end of year (in shares)	54,335	64,621
2011 Phantom Stock Option and Long-term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at beginning of year (in shares)	665,426	462,464
Options granted (in shares)	241,090	227,330
Options paid in cash upon vesting (in shares)	(227,484)	(17,528)
Outstanding at end of year (in shares)	679,032	672,266