Restricted Cash	3 Months Ended
Jan. 31, 2018
Restricted Cash And Investments [Abstract]
Restricted Cash	Note 13. Restricted Cash As of January 31, 2018, there was $38.7 million of restricted cash and cash equivalents pledged as collateral for letters of credit for certain banking requirements and contractual commitments, compared to $38.2 million of restricted cash and cash equivalents pledged as of October 31, 2017. 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 January 31, 2018 also includes $17.5 million to support obligations related to PNC sale-leaseback transactions. As of January 31, 2018 and October 31, 2017, outstanding letters of credit totaled $3.2 million and $2.9 million, respectively. These expire on various dates through April 2019.

Note 13. Restricted Cash

As of January 31, 2018, there was $38.7 million of restricted cash and cash equivalents pledged as collateral for letters of credit for certain banking requirements and contractual commitments, compared to $38.2 million of restricted cash and cash equivalents pledged as of October 31, 2017. 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 January 31, 2018 also includes $17.5 million to support obligations related to PNC sale-leaseback transactions. As of January 31, 2018 and October 31, 2017, outstanding letters of credit totaled $3.2 million and $2.9 million, respectively. These expire on various dates through April 2019.