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Stock-Based Compensation	6 Months Ended
Stock-Based Compensation	Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Compensation	Stock-Based Compensation There have been no changes to our stock-based compensation plans from those disclosed in our 2017 Annual Report on Form 10-K. Our stock-settled stock appreciation rights (“SSSARs”) compensation expense was $0.5 million and $0.4 million for the three months ended December 31, 2017 and 2016, respectively. Year-to-date SSSARs compensation expense was $1.1 million for the current-year period compared to $0.9 million for the prior-year period. At December 31, 2017, there was $3.0 million of unrecognized compensation expense related to SSSARs that we will recognize over a weighted-average period of 2 years. Our restricted stock compensation expense was $0.6 million for the three months ended December 31, 2017 and 2016 and $1.2 million for the six months ended December 31, 2017 and 2016. At December 31, 2017, there was $2.9 million of unrecognized compensation expense related to restricted stock that we will recognize over a weighted-average period of 2 years.