Long-term Debt - Schedule of Maturities of Long-term Debt (Details) $ in Thousands	May 31, 2016 USD ($)
Debt Instrument
2015	$ 11,084
2016	21,488
2017	15,837
2018	25,400
2019	17,006
Thereafter	165,067
Total long-term debt	255,882
98.7FM Non-recourse debt \| Two Thousand Fourteen Credit Agreement
Debt Instrument
2015	4,146
2016	6,039
2017	6,587
2018	7,150
2019	7,756
Thereafter	32,425
Total long-term debt	64,103
Digonex Non-recourse debt
Debt Instrument
2015	0
2016	6,199
2017	0
2018	0
2019	0
Thereafter	0
Total long-term debt	6,199
Revolver \| Two Thousand Fourteen Credit Agreement
Debt Instrument
2015	0
2016	0
2017	0
2018	9,000
2019	0
Thereafter	0
Total long-term debt	9,000
Term Loan \| Two Thousand Fourteen Credit Agreement
Debt Instrument
2015	6,938
2016	9,250
2017	9,250
2018	9,250
2019	9,250
Thereafter	132,642
Total long-term debt	$ 176,580

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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