Basis of Presentation, Business and Summary of Significant Accounting Policies - Initial Public Offering (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Jun. 01, 2016	Jul. 31, 2016
Initial Public Offering
Net proceeds from initial public offering	$ 157,200	$ 157,217
Loan repayment		$ 160,000
Second Lien Term Loan due 2022
Initial Public Offering
Loan repayment	$ 160,000
Common Stock
Initial Public Offering
Number of shares issued		8,050,000
Initial public offering | Common Stock
Initial Public Offering
Number of shares issued	8,050,000
Share price	$ 21.00
Net proceeds from initial public offering	$ 157,200
Underwriters over-allotment option | Common Stock
Initial Public Offering
Number of shares issued	1,050,000