XML 82 R58.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stockholders' Equity Stockholders' Equity (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 3 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Jun. 30, 2014
Retained Earnings
Jun. 30, 2013
Retained Earnings
Dec. 31, 2013
Retained Earnings
Dec. 31, 2012
Retained Earnings
Jun. 30, 2014
Noncontrolling Interest
Jun. 30, 2013
Noncontrolling Interest
Dec. 31, 2013
Noncontrolling Interest
Dec. 31, 2012
Noncontrolling Interest
Schedule of Capitalization, Equity [Line Items]                          
Retained earnings $ 391.0   $ 391.0   $ 353.2 $ 391.0 $ 290.1 $ 353.2 $ 222.1        
Net Income (Loss) Attributable to Parent           37.8 68.0            
Noncontrolling interest 0   0   6.8         0 (24.4) 6.8 (19.0)
Net Income (Loss) Attributable to Noncontrolling Interest, Other 0 (3.1) 3.9 (5.4)           3.9 (5.4)    
Noncontrolling Interest, Decrease from Deconsolidation                    (10.7)      
Authorized capitalization of common stock (in shares) 300,000,000   300,000,000   300,000,000                
Par value of common stock (in dollars per share) $ 0.01   $ 0.01                    
Authorized capitalization of preferred stock (in shares) 3,500,000   3,500,000                    
Par value of preferred stock per share (in dollars per share) $ 0.01   $ 0.01                    
Number of shares authorized to be repurchased (in shares) 10,000,000   10,000,000                    
Aggregate number of shares repurchased (in shares)     7,600,000                    
Aggregate cost of shares repurchased     $ 49.8