Long-term Debt - Schedule of Maturities of Long-term Debt (Details) $ in Thousands	May 31, 2018 USD ($)
Debt Instrument
2015	$ 5,005
2016	35,150
2017	7,755
2018	14,633
2019	13,069
Thereafter	14,964
Total long-term debt	90,576
98.7FM Non-recourse debt
Debt Instrument
2015	5,005
2016	7,150
2017	7,755
2018	8,394
2019	9,069
Thereafter	14,964
Total long-term debt	52,337
Digonex Non-recourse debt
Debt Instrument
2015	0
2016	0
2017	0
2018	6,239
2019	4,000
Thereafter	0
Total long-term debt	10,239
Revolver \| Two Thousand Fourteen Credit Agreement
Debt Instrument
2015	0
2016	0
2017	0
2018	0
2019	0
Thereafter	0
Total long-term debt	0
Term Loan \| Two Thousand Fourteen Credit Agreement
Debt Instrument
2015	0
2016	28,000
2017	0
2018	0
2019	0
Thereafter	0
Total long-term debt	$ 28,000

Long-term Debt, Maturities, Repayments of Principal

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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