Quarterly report pursuant to Section 13 or 15(d)

Capital and Accumulated Other Comprehensive Loss - Additional Information (Details)

v3.8.0.1
Capital and Accumulated Other Comprehensive Loss - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Oct. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common Stock, shares, purchased (in shares) 22,200,000    
Common Stock, value, purchased $ 1,200.0    
Treasury shares restored as unissued status (in shares) 22,300,000    
Treasury shares (in shares) 0 0 2,600
Common Stock, stated value (in USD per share) $ 0.25 $ 0.25 $ 0.25
Deferred Compensation      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common Stock, shares, purchased (in shares) 6,540    
Common Stock held in trust for deferred compensation plan $ 0.4