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Long-Term Debt and Credit Facilities - Schedule of maturities of long term debt (Details)
$ in Thousands
Nov. 30, 2015
USD ($)
Debt Disclosure [Abstract]  
2016 $ 0
2017 0
2018 131,250
2019 175,000
2020 and thereafter 1,614,250
Total long-term debt $ 1,920,500