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Stock-Based Compensation	3 Months Ended
Stock-Based Compensation	Sep. 30, 2018
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 2018 Annual Report on Form 10-K. Our stock-settled stock appreciation rights (“SSSARs”) compensation expense was $0.7 million and $0.6 million for the three months ended September 30, 2018 and 2017, respectively. At September 30, 2018, there was $3.9 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 $0.8 million and $0.6 million for the three months ended September 30, 2018 and 2017, respectively. At September 30, 2018, there was $3.4 million of unrecognized compensation expense related to restricted stock that we will recognize over a weighted-average period of 2 years.