Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	Apr. 30, 2017	Oct. 31, 2016
Adoption of New Accounting Pronouncement [Line Items]
Other assets	$ 56,428	$ 85,565
Total assets	2,167,073	1,730,382
Debt	868,272	571,773
Total liabilities	1,178,469	916,779
Total permanent equity	788,490	704,575
Total liabilities, temporary equity and permanent equity	$ 2,167,073	1,730,382
As Previously Reported [Member]
Adoption of New Accounting Pronouncement [Line Items]
Other assets		87,759
Total assets		1,732,576
Debt		573,967
Total liabilities		918,973
Total permanent equity		704,575
Total liabilities, temporary equity and permanent equity		1,732,576
Reclassification [Member]
Adoption of New Accounting Pronouncement [Line Items]
Other assets		(2,194)
Total assets		(2,194)
Debt		(2,194)
Total liabilities		(2,194)
Total permanent equity		0
Total liabilities, temporary equity and permanent equity		(2,194)
As Restated Member [Member]
Adoption of New Accounting Pronouncement [Line Items]
Other assets		85,565
Total assets		1,730,382
Debt		571,773
Total liabilities		916,779
Total permanent equity		704,575
Total liabilities, temporary equity and permanent equity		$ 1,730,382