Employee Benefit Plans - Target Plan Asset Allocation (Details) - Scenario, Forecast	12 Months Ended
	Jun. 30, 2016
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	100.00%
U.S. Large Cap Equity Securities
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	29.90%
U.S. Small Cap Equity Securities
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	7.60%
International Equity Securities
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	12.50%
Debt Securities
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	40.00%
Real Estate
Defined Benefit Plan Disclosure
Target Plan Asset Allocations	10.00%