v2.4.0.8
Noncontrolling Interests Redeemable interest in property partnership (Narrative) (Details) (Fountain Square [Member], Consolidated Properties [Member], Noncontrolling Interests [Member], USD $)
In Millions, unless otherwise specified
0 Months Ended
Oct. 04, 2012
Fountain Square [Member] | Consolidated Properties [Member] | Noncontrolling Interests [Member]
 
Noncontrolling Interest [Line Items]  
Aggregate purchase price $ 385.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt 211.3
Ownership Percentage 50.00%
Payments to Acquire Businesses, Gross 87.0
Ownership Percentage by Parent 50.00%
Future Fixed Price to Acquire Remaining Portion of Joint venture $ 102.0
Fixed Price Option Expiration Date Jan. 31, 2016