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Long-Term Debt (Details1) - USD ($) $ in Thousands	May 31, 2018	May 31, 2017
Future minimum principal payments on long-term debt
Total debt	$ 92,500
Less: Unamortized debt issuance costs	(879)
Total	91,621
Less: Current portion of long-term debt	(5,000)	$ (5,000)
Total long-term debt, net of current portion	86,621
Line of Credit | Secured Debt
Future minimum principal payments on long-term debt
2019	5,000
2020	7,500
2021	11,250
2022	68,750
Total debt	92,500
Line of Credit | Revolving Credit Facility
Future minimum principal payments on long-term debt
Total debt	$ 0

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt discount (premium).

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