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Organization and Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2017
Schedule of Product Warranty Liability Activity

The following table presents the Company’s product warranty liability activity in 2017 and 2016:

 

Years ended December 31 (dollars in millions)

   2017      2016  

Balance at beginning of year

   $ 140.9      $ 139.3  

Expense

     39.7        42.5  

Claims settled

     (38.2      (40.9
  

 

 

    

 

 

 

Balance at end of year

   $ 142.4      $ 140.9  
  

 

 

    

 

 

 
Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

Assets measured at fair value on a recurring basis are as follows (dollars in millions):

 

Fair Value Measurement Using

   December 31, 2017      December 31, 2016  

Quoted prices in active markets for identical assets (Level 1)

   $ 475.1      $ 424.5  
Schedule of Computation of Basic and Diluted Weighted Average Shares Used in EPS Calculations

The following table sets forth the computation of basic and diluted weighted-average shares used in the earnings per share calculations:

 

     2017      2016      2015  

Denominator for basic earnings per share - weighted-average shares outstanding

     172,666,056        174,712,683        177,622,280  

Effect of dilutive stock options, restricted stock and share units

     1,939,133        2,112,597        1,386,900  
  

 

 

    

 

 

    

 

 

 

Denominator for diluted earnings per share

     174,605,189        176,825,280        179,009,180