XML 29 R10.htm IDEA: XBRL DOCUMENT v3.8.0.1
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
shares in Millions, $ in Millions
Total
Common Stock
Premium on Common Stock
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Common Stock, Shares, Outstanding   199.4      
Net Income (Loss), Including portion attributable to noncontrolling interest, Number of Shares   0.0      
Balance at Dec. 31, 2014 $ 3,244.4 $ 2.0 $ 1,085.6 $ 2,198.2 $ (41.4)
Comprehensive income (loss)          
Net income 271.3 $ 0.0 0.0 271.3 0.0
Other Comprehensive Income (Loss), Net of Tax, Number of Shares   0.0      
Other comprehensive income, net of tax 6.3 $ 0.0 0.0 0.0 6.3
Dividends, Common Stock, Cash, Number of Shares   0.0      
Dividends declared on common stock (209.7) $ 0.0 0.0 (209.7) 0.0
Stock Issued During Period, Shares, New Issues   0.2      
Expense of common stock 7.2 $ 0.0 7.2 0.0 0.0
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Number of Shares   0.1      
Stock-based compensation 6.5 $ 0.0 6.5 0.0 0.0
Balance at Dec. 31, 2015 3,326.0 $ 2.0 1,099.3 2,259.8 (35.1)
Common Stock, Shares, Outstanding   199.7      
Net Income (Loss), Including portion attributable to noncontrolling interest, Number of Shares   0.0      
Comprehensive income (loss)          
Net income 338.2 $ 0.0 0.0 338.2 0.0
Other Comprehensive Income (Loss), Net of Tax, Number of Shares   0.0      
Other comprehensive income, net of tax 5.8 $ 0.0 0.0 0.0 5.8
Dividends, Common Stock, Cash, Number of Shares   0.0      
Dividends declared on common stock (230.7) $ 0.0 0.0 (230.7) 0.0
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Number of Shares   0.0      
Stock-based compensation 4.5 $ 0.0 4.5 0.0 0.0
Balance at Dec. 31, 2016 $ 3,443.8 $ 2.0 1,103.8 2,367.3 (29.3)
Common Stock, Shares, Outstanding 199.7 199.7      
Net Income (Loss), Including portion attributable to noncontrolling interest, Number of Shares   0.0      
Comprehensive income (loss)          
Net income $ 619.0 $ 0.0 0.0 619.0 0.0
Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification, Number of Shares   0.0      
Other Comprehensive Income (Loss), Net of Tax, Number of Shares   0.0      
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification 22.3 $ 0.0 0.0 26.8 (4.5)
Other comprehensive income, net of tax 10.6 $ 0.0 0.0 0.0 10.6
Dividends, Common Stock, Cash, Number of Shares   0.0      
Dividends declared on common stock (253.6) $ 0.0 0.0 (253.6) 0.0
Expense of common stock (0.1) $ 0.0 (0.1) 0.0 0.0
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Number of Shares   0.0      
Stock Issued During Period, Value, New Issues, Number of Shares   0.0      
Stock-based compensation 9.1 $ 0.0 9.1 0.0 0.0
Balance at Dec. 31, 2017 $ 3,851.1 $ 2.0 $ 1,112.8 $ 2,759.5 $ (23.2)
Common Stock, Shares, Outstanding 199.7 199.7