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Commitments And Contingent Liabilities (Schedule Of Operating Leases) (Details)
$ in Thousands
Nov. 30, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2016 $ 34,387
2017 33,034
2018 28,212
2019 20,780
2020 14,761
Thereafter $ 24,747