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Restricted Cash | 6 Months Ended
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Apr. 30, 2017
Restricted Cash And Investments [Abstract] |
Restricted Cash | Note 12. Restricted Cash As of April 30, 2017, there was $37.7 million of restricted cash and cash equivalents pledged as collateral for letters of credit for certain banking requirements and contractual commitments, compared to $34.1 million of restricted cash and cash equivalents pledged as of October 31, 2016. The restricted cash balance for both periods presented includes $15.0 million which has been placed in a Grantor’s Trust account to secure certain obligations under a 15-year service agreement and has been classified as long-term. The restricted cash balance as of April 30, 2017 also includes $16.6 million to support obligations related to PNC Energy Capital, LLC sale-leaseback transactions. As of April 30, 2017 and October 31, 2016, outstanding letters of credit totaled $3.9 million and $7.9 million, respectively. These expire on various dates through April 2019.

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