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Share-Based Incentive Plans - Summary of Information about Stock Options Outstanding (Details)
12 Months Ended
Jun. 30, 2017
$ / shares
shares
Information about stock options outstanding  
Low end of range of exercise prices $ 1.24
High end of range of exercise prices $ 20.91
Number Outstanding | shares 3,515,731
Weighted Average Remaining Contractual Life (Years), Options Outstanding 7 years 10 months 10 days
Weighted Average Exercise Price Per Share, Options Outstanding $ 7.02
Number Exercisable | shares 705,656
Weighted Average Exercise Price Per Share, Options Exercisable $ 9.91
$1.24 - $5.59  
Information about stock options outstanding  
Low end of range of exercise prices 1.24
High end of range of exercise prices $ 5.59
Number Outstanding | shares 300,072
Weighted Average Remaining Contractual Life (Years), Options Outstanding 8 years 6 months
Weighted Average Exercise Price Per Share, Options Outstanding $ 3.83
Number Exercisable | shares 73,585
Weighted Average Exercise Price Per Share, Options Exercisable $ 4.81
$5.64 - $5.64  
Information about stock options outstanding  
Low end of range of exercise prices 5.64
High end of range of exercise prices $ 5.64
Number Outstanding | shares 696,683
Weighted Average Remaining Contractual Life (Years), Options Outstanding 8 years 6 months 3 days
Weighted Average Exercise Price Per Share, Options Outstanding $ 5.64
Number Exercisable | shares 104,997
Weighted Average Exercise Price Per Share, Options Exercisable $ 5.64
$5.88 - $5.89  
Information about stock options outstanding  
Low end of range of exercise prices 5.88
High end of range of exercise prices $ 5.89
Number Outstanding | shares 305,508
Weighted Average Remaining Contractual Life (Years), Options Outstanding 8 years 4 months 6 days
Weighted Average Exercise Price Per Share, Options Outstanding $ 5.89
Number Exercisable | shares 10,000
Weighted Average Exercise Price Per Share, Options Exercisable $ 5.88
$5.95 - $5.95  
Information about stock options outstanding  
Low end of range of exercise prices 5.95
High end of range of exercise prices $ 5.95
Number Outstanding | shares 527,825
Weighted Average Remaining Contractual Life (Years), Options Outstanding 8 years 4 months 2 days
Weighted Average Exercise Price Per Share, Options Outstanding $ 5.95
$6.29 - $6.58  
Information about stock options outstanding  
Low end of range of exercise prices 6.29
High end of range of exercise prices $ 6.58
Number Outstanding | shares 25,948
Weighted Average Remaining Contractual Life (Years), Options Outstanding 8 years 5 months 9 days
Weighted Average Exercise Price Per Share, Options Outstanding $ 6.54
Number Exercisable | shares 8,987
Weighted Average Exercise Price Per Share, Options Exercisable $ 6.47
$6.71 - $6.71  
Information about stock options outstanding  
Low end of range of exercise prices 6.71
High end of range of exercise prices $ 6.71
Number Outstanding | shares 924,595
Weighted Average Remaining Contractual Life (Years), Options Outstanding 9 years 2 months 1 day
Weighted Average Exercise Price Per Share, Options Outstanding $ 6.71
$7.90 - $8.54  
Information about stock options outstanding  
Low end of range of exercise prices 7.90
High end of range of exercise prices $ 8.54
Number Outstanding | shares 394,101
Weighted Average Remaining Contractual Life (Years), Options Outstanding 5 years
Weighted Average Exercise Price Per Share, Options Outstanding $ 8.05
Number Exercisable | shares 229,580
Weighted Average Exercise Price Per Share, Options Exercisable $ 8.15
$8.56 - $18.42  
Information about stock options outstanding  
Low end of range of exercise prices 8.56
High end of range of exercise prices $ 18.42
Number Outstanding | shares 265,559
Weighted Average Remaining Contractual Life (Years), Options Outstanding 4 years 1 month 13 days
Weighted Average Exercise Price Per Share, Options Outstanding $ 13.76
Number Exercisable | shares 230,327
Weighted Average Exercise Price Per Share, Options Exercisable $ 13.53
$19.36 - $19.36  
Information about stock options outstanding  
Low end of range of exercise prices 19.36
High end of range of exercise prices $ 19.36
Number Outstanding | shares 67,908
Weighted Average Remaining Contractual Life (Years), Options Outstanding 5 years 6 months 29 days
Weighted Average Exercise Price Per Share, Options Outstanding $ 19.36
Number Exercisable | shares 44,414
Weighted Average Exercise Price Per Share, Options Exercisable $ 19.36
$20.91 - $20.91  
Information about stock options outstanding  
Low end of range of exercise prices 20.91
High end of range of exercise prices $ 20.91
Number Outstanding | shares 7,532
Weighted Average Remaining Contractual Life (Years), Options Outstanding 7 years 4 months 13 days
Weighted Average Exercise Price Per Share, Options Outstanding $ 20.91
Number Exercisable | shares 3,766
Weighted Average Exercise Price Per Share, Options Exercisable $ 20.91