Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Summary of Option Information Under Omnibus Equity Incentive Plan for Options to Acquire Common Shares (Details)

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Share-Based Compensation - Summary of Option Information Under Omnibus Equity Incentive Plan for Options to Acquire Common Shares (Details) - Omnibus Equity Incentive Plan
 9 Months Ended
Feb. 29, 2016
$ / shares
shares
Number of Options Outstanding (in shares)  
Outstanding, beginning of period | shares 0
Granted | shares 1,293,178
Forfeited | shares (29,650)
Outstanding, end of period | shares 1,263,528
Options vested and expected to vest, end of period | shares 1,241,350
Options exercisable, end of period | shares 0
Options Outstanding, Weighted Average Exercise Price (in dollars per share)  
Outstanding, beginning of period, weighted-average exercise price | $ / shares $ 0.00
Granted, weighted-average exercise price | $ / shares 12.45
Forfeited, weighted-average exercise price | $ / shares 10.54
Outstanding, end of period, weighted-average exercise price | $ / shares 12.50
Options vested and expected to vest, end of period | $ / shares 12.50
Options exercisable, end of period, weighted-average exercise price | $ / shares $ 0.00