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LONG-TERM DEBT AND CREDIT FACILITIES - Schedule of maturities of long term debt (Details)
$ in Thousands
Feb. 29, 2016
USD ($)
Debt Disclosure [Abstract]  
2016 $ 0
2017 131,250
2018 175,000
2019 175,000
2020 and thereafter 1,397,250
Total long-term debt $ 1,878,500