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Summary of Long-Term Debt Principal Repayments (Detail)
$ in Thousands
Feb. 28, 2018
USD ($)
Debt Instrument [Line Items]  
2019 $ 16,037
2020 76,151
2021 13,994
2022 12,394
2023 9,069
Thereafter 14,964
Total 142,609
Revolver  
Debt Instrument [Line Items]  
2019 9,000
2020 0
2021 0
2022 0
2023 0
Thereafter 0
Total 9,000
Term Loan  
Debt Instrument [Line Items]  
2019 450
2020 69,001
2021 0
2022 0
2023 0
Thereafter 0
Total 69,451
98.7 FM nonrecourse debt  
Debt Instrument [Line Items]  
2019 6,587
2020 7,150
2021 7,755
2022 8,394
2023 9,069
Thereafter 14,964
Total 53,919
Digonex Debt  
Debt Instrument [Line Items]  
2019 0
2020 0
2021 6,239
2022 4,000
2023 0
Thereafter 0
Total $ 10,239