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Commitments and Contingencies (Tables)
 6 Months Ended
Jun. 30, 2018
October 2015 Share Repurchase Program  
Schedule of stock repurchases made

 

Pursuant to the 2015 Stock Repurchase Program, the Company made purchases as follows (aggregate cost excludes broker commissions and is reflected in millions):

 

 

 

 

 

 

 

 

 

 

 

 

Total Number

 

Average

 

 

 

 

 

 

of Shares

 

Price Paid

 

Aggregate

 

Period

    

Purchased

    

per Share

    

Cost

 

October 26, 2015 - December 31, 2015

 

345,044

 

$

53.46

 

$

18.4

 

January 1, 2016 - December 31, 2016

 

1,828,183

 

 

58.40

 

 

106.8

 

January 1, 2017 - December 31, 2017

 

280,140

 

 

77.67

 

 

21.8

 

January 1, 2018 - June 30, 2018

 

163,532

 

 

90.62

 

 

14.8

 

 

 

2,616,899

 

 

 

 

$

161.8