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Supplemental Information (Tables)
 12 Months Ended
Dec. 31, 2018
Supplemental Information [Abstract]  
Summary of expenses in statements of operations
Losses (gains) and other expenses, net in our Consolidated Statements of Operations were as follows (in millions):
 
For the Years Ended December 31,
 
2018
 
2017
 
2016
Realized (gains) losses on settled futures contracts
$
(0.4
)
 
$
(1.7
)
 
$
1.1

Foreign currency exchange losses (gains)
1.7

 
(1.8
)
 
2.2

Losses on disposal of fixed assets
0.7

 
0.2

 
0.5

Net change in unrealized losses (gains) on unsettled futures contracts
1.5

 
0.9

 
(3.6
)
Asbestos-related litigation
4.0

 
3.5

 
6.3

Special legal contingency charges
1.9

 
3.7

 
1.9

Environmental liabilities
2.2

 
2.2

 
1.9

Contractor tax payments
—

 
0.1

 
0.6

Other items, net
1.8

 
—

 
0.4

Losses (gains) and other expenses, net
$
13.4

 
$
7.1

 
$
11.3



Below is information about expenses included in our Consolidated Statements of Operations (in millions):
 
For the Years Ended December 31,
 
2018
 
2017
 
2016
Research and development
$
72.2

 
$
73.6

 
$
64.6

Advertising, promotions and marketing (1)
42.5

 
45.0

 
41.0

Cooperative advertising expenditures (2)
16.8

 
18.6

 
14.7

Rent expense
58.5

 
57.7

 
57.9


(1) Cooperative advertising expenditures were not included in these amounts.
(2) Cooperative advertising expenditures were included in Selling, general and administrative expenses in the Consolidated Statements of Operations.
Summary of components of interest expense
Our Provision for income taxes from continuing operations consisted of the following (in millions):
 
For the Years Ended December 31,
 
2018
 
2017
 
2016
Current:
 
 
 
 
 
Federal
$
59.5

 
$
86.1

 
$
106.0

State
17.8

 
12.5

 
14.5

Foreign
4.6

 
15.0

 
9.7

Total current
81.9

 
113.6

 
130.2

Deferred:
 
 
 
 
 
Federal
23.2

 
43.8

 
(4.5
)
State
1.0

 
0.9

 
(1.2
)
Foreign
1.5

 
(1.4
)
 
(0.4
)
Total deferred
25.7

 
43.3

 
(6.1
)
Total provision for income taxes
$
107.6

 
$
156.9

 
$
124.1

The components of Interest expense, net in our Consolidated Statements of Operations were as follows (in millions):
 
For the Years Ended December 31,
 
2018
 
2017
 
2016
Interest expense, net of capitalized interest
$
39.1

 
$
32.1

 
$
28.1

Interest income
0.8

 
1.5

 
1.1

Interest expense, net
$
38.3

 
$
30.6

 
$
27.0