Investments in Unconsolidated Entities Investments in Unconsolidated Entities (Details Textual 2) $ in Thousands	12 Months Ended
	Oct. 31, 2015 USD ($) joint_ventures	Oct. 31, 2014 USD ($) joint_ventures
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Amounts borrowed under commitments	$ 1,041,955
Investments in unconsolidated entities	412,860	$ 447,078
Other Commitment	195,593
Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantees, Fair Value Disclosure	4,800
Indirect Guarantee of Indebtedness [Member] | Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	980,200
Amounts borrowed under commitments	514,300
Maxiumum guarantor obigation for borrowings by JVs	$ 514,300
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	P5M
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	P54M
Ground Lease and Insurance Deductible Guarantee Member [Member] | Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 10,300
Number of JVs, ground lease and other	3
Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member] | Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Number Of Unconsolidated Entities That Are Considered Variable Interest Entities | joint_ventures	1	3
Investments in unconsolidated entities	$ 6,700	$ 46,400
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]
Guarantor Obligations, Maximum Exposure, Undiscounted	12,500	21,600
Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member] | Ground Lease and Insurance Deductible Guarantee Member [Member] | Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted		9,100
Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member] | Commitment To Advance Or Invest In Affiliates Subsidiaries And Joint Ventures [Member] | Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Other Commitment	$ 400	$ 43,400