Investments in Unconsolidated Entities Investments in Unconsolidated Entities (Details Textual 2) $ in Thousands	12 Months Ended
	Oct. 31, 2018 USD ($) joint_ventures	Oct. 31, 2017 USD ($) joint_ventures
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,493,122
Amounts borrowed under commitments	$ 1,154,265
Number Of Entities That Are Considered Variable Interest Entities | joint_ventures	11
Investments in unconsolidated entities	$ 431,813	$ 481,758
Other Commitment	39,460
Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantees, Fair Value Disclosure	$ 5,600
Number Of Unconsolidated Entities That Are Considered Variable Interest Entities | joint_ventures	10	8
Indirect Guarantee of Indebtedness [Member] | Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,340,000
Guarantees, Repayment and Carry Cost, Maximum	294,700
Amounts borrowed under commitments	1,055,000
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	$ 254,700
Indirect Guarantee of Indebtedness [Member] | Equity Method Investee [Member] | Minimum [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantor Obligations, Term	P8M
Indirect Guarantee of Indebtedness [Member] | Equity Method Investee [Member] | Maximum [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantor Obligations, Term	P48M
Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member] | Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Investments in unconsolidated entities	$ 33,800	$ 35,900
Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member] | Indirect Guarantee of Indebtedness [Member] | Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantees, Repayment and Carry Cost, Maximum	70,000	70,000
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	70,000	61,300
Guarantor Obligations, Maximum Exposure, Undiscounted	70,000	70,000
Commitment To Advance Or Invest In Affiliates Subsidiaries And Joint Ventures [Member] | Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member] | Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Other Commitment	$ 10,800	$ 10,500