Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2016	Oct. 31, 2016	Dec. 31, 2015	Oct. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Accrued liabilities, other litigation, claims, other disputes, governmental proceedings and environmental matters	$ 1.3		$ 2.5
Purchase obligations, total	25.3
Purchase obligations, 2017	25.3
Guarantor Obligations [Line Items]
Amount of letters of credit outstanding	0.4		0.5
Tax Year 2022 To 2024
Guarantor Obligations [Line Items]
Deferred tax liabilities	61.8
Tax Year 2029
Guarantor Obligations [Line Items]
Deferred tax liabilities	69.3
Consolidated Variable Interest Entities | Pier Park North | Pier Park North Joint Venture Refinanced Construction Loan
Guarantor Obligations [Line Items]
Amount of letters of credit outstanding		$ 1.3		$ 6.6
Surety bonds | Commercial developments
Guarantor Obligations [Line Items]
Commitment obligations	$ 6.2		$ 7.1