Consolidated Statement of Changes in Shareholder's Equity Consolidated Statment of Changes in Shareholder's Equity (Parenthetical) - shares	3 Months Ended	12 Months Ended
	Sep. 30, 2014	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, New Issues	48,900,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		212,000
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance - Common Stock Outstanding (shares)	74,821,300	124,712,200	124,319,300	74,821,300
Stock Issued During Period, Shares, New Issues				48,875,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		337,700	392,900	623,000
Ending Balance - Common Stock Outstanding (shares)		125,049,900	124,712,200	124,319,300