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Income Taxes (Tables)
9 Months Ended
Sep. 30, 2019
Income Taxes  
Schedule of provision for income taxes and effective tax rate

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Three Months Ended September 30, 

    

Nine Months Ended September 30, 

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2019

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2018

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2019

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2018

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Provision for income taxes

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$

(91.8)

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$

(100.0)

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$

(250.0)

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$

(280.8)

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Effective tax rate

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24.5

%  

 

23.8

%  

 

22.9

%  

 

24.3

%