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Commitments and Contingencies - Minimum Cash Payments Under Non-Cancelable Operating Leases (Details)
$ in Thousands
Oct. 31, 2017
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2018 $ 5,360
2019 5,188
2020 4,672
2021 4,276
2022 3,970
Thereafter 29,601
Total $ 53,067