(Loss) Earnings per Common Share - Schedule of awards issued under share-based compensation plans excluded from the calculations of diluted earnings per share (Details) - shares shares in Millions	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Stock options
Awards issued under share-based compensation plans that were excluded from calculations of diluted earnings per share because their effects were anti-dilutive
Awards excluded from computation of earnings per share (in shares)	1.8	1.3
Restricted stock awards
Awards issued under share-based compensation plans that were excluded from calculations of diluted earnings per share because their effects were anti-dilutive
Awards excluded from computation of earnings per share (in shares)	0.1	0.0