Restricted Cash	9 Months Ended
Jul. 31, 2017
Restricted Cash And Investments [Abstract]
Restricted Cash	Note 13. Restricted Cash As of July 31, 2017, there was $38.1 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 July 31, 2017 also includes $17.0 million to support obligations related to PNC sale-leaseback transactions. As of July 31, 2017 and October 31, 2016, outstanding letters of credit totaled $2.9 million and $7.9 million, respectively. These expire on various dates through April 2019.

Restricted Cash

9 Months Ended

Jul. 31, 2017

Restricted Cash And Investments [Abstract]

Note 13. Restricted Cash

As of July 31, 2017, there was $38.1 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 July 31, 2017 also includes $17.0 million to support obligations related to PNC sale-leaseback transactions. As of July 31, 2017 and October 31, 2016, outstanding letters of credit totaled $2.9 million and $7.9 million, respectively. These expire on various dates through April 2019.