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Revenue (Tables)
12 Months Ended
Dec. 31, 2018
Revenue From Contract With Customer [Abstract]  
Summary of Revenues Disaggregated by Product Line

The following table presents our revenues disaggregated by product line (dollars in millions):

 

 

 

Year Ended December 31,

 

 

 

2018

 

 

2017 (a)

 

 

2016 (a)

 

Packaging

 

$

5,938.5

 

 

$

5,312.3

 

 

$

4,584.8

 

Paper

 

 

1,002.0

 

 

 

1,051.8

 

 

 

1,093.9

 

Corporate and Other

 

 

74.1

 

 

 

80.8

 

 

 

100.3

 

Total revenue

 

$

7,014.6

 

 

$

6,444.9

 

 

$

5,779.0

 

 

(a)

Prior periods have not been adjusted under the modified retrospective method for Topic 606.