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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Income before Income Tax, Domestic and Foreign
Income taxes have been based on the following components of earnings (loss) before income taxes and equity in (earnings) loss of unconsolidated entity for the years ended December 31, 2018, 2017 and 2016:
 
2018
 
2017
 
2016
United States
$
(5.8
)
 
$
65.6

 
$
48.4

Foreign
2.9

 
25.6

 
10.9

Total
$
(2.9
)
 
$
91.2

 
$
59.3

Schedule of Components of Income Tax Expense (Benefit)
The components of income tax (benefit) expense for the years ended December 31, 2018, 2017 and 2016, were as follows:
 
2018
 
2017
 
2016
Federal:
 
 
 
 
 
Current
$
4.8

 
$
1.4

 
$
32.0

Deferred
(7.3
)
 
(5.5
)
 
(20.0
)
State:
 
 
 
 
 
Current
(2.1
)
 
2.7

 
3.9

Deferred
0.4

 
(0.5
)
 
(5.3
)
Foreign:
 
 
 
 
 
Current
2.0

 
2.4

 
3.7

Deferred
(7.6
)
 
(16.5
)
 
(1.3
)
Total income tax (benefit) expense
$
(9.8
)
 
$
(16.0
)
 
$
13.0

Schedule of Effective Income Tax Rate Reconciliation
The following table outlines the reconciliation of differences between the Federal statutory tax rate and the Company’s income tax (benefit) expense for the years ended December 31, 2018, 2017 and 2016:
 
2018
 
2017
 
2016
Federal statutory rate
$
(0.6
)
 
$
31.9

 
$
20.8

Adjustment to valuation allowances
(6.9
)
 
(20.0
)
 
1.0

Adjustment of uncertain tax positions
(3.7
)
 
(2.6
)
 
0.9

State taxes, net of federal benefit
(2.0
)
 
2.0

 
(2.1
)
Foreign rate differential
(0.8
)
 
(2.9
)
 
(4.8
)
Impact from foreign branches
2.6

 
7.1

 
3.6

Adjustment of deferred tax liabilities
1.4

 
(1.7
)
 
2.2

Federal rate change
(0.8
)
 
(28.8
)
 

Domestic production activity deduction

 
(0.9
)
 
(3.3
)
Loss on foreign investment

 

 
(4.7
)
Other
1.0

 
(0.1
)
 
(0.6
)
Income tax (benefit) expense
$
(9.8
)
 
$
(16.0
)
 
$
13.0

Schedule of Deferred Tax Assets and Liabilities
The significant deferred tax assets and liabilities as of December 31, 2018 and 2017, were as follows:
 
2018
 
2017
Deferred tax assets:
 
 
 
Net operating loss and other tax carryforwards
$
125.1

 
$
129.6

Interest limitation
47.1

 
43.7

Pension and workers compensation benefits
46.0

 
42.7

Accrued compensation
16.6

 
20.2

Accrued liabilities
14.1

 
19.3

Goodwill and intangible assets
11.4

 
7.5

Allowance for doubtful accounts
6.4

 
7.3

Other
7.3

 
9.4

Total deferred tax assets
274.0

 
279.7

Valuation allowance
(115.2
)
 
(126.9
)
 
 
 
 
Net deferred tax assets
$
158.8

 
$
152.8

 
 
 
 
Deferred tax liabilities:
 
 
 
Property, plant and equipment
$
(153.8
)
 
$
(165.0
)
Other
(9.7
)
 
(8.5
)
Total deferred tax liabilities
(163.5
)
 
(173.5
)
 
 
 
 
Net deferred tax liabilities
$
(4.7
)
 
$
(20.7
)
Summary of Income Tax Contingencies
The following table summarizes the Company’s interest (income) expense related to tax uncertainties and penalties recognized during the years ended December 31, 2018, 2017 and 2016:
 
2018
 
2017
 
2016
Interest (income) expense
$
(2.8
)
 
$
(2.5
)
 
$
1.0

Penalties (refunds)
(0.4
)
 
0.1

 

The following table summarizes the activity of the Company’s liability for unrecognized tax benefits at December 31, 2018, 2017 and 2016:
 
2018
 
2017
 
2016
Balance at beginning of period
$
21.6

 
$
29.6

 
$
29.8

Additions for tax positions of the current year

 
2.3

 
0.3

Additions for tax positions of prior years
0.5

 
1.3

 
1.0

Reductions for tax positions of prior years
(0.8
)
 
(11.3
)
 
(0.7
)
Lapses of applicable statutes of limitations
(6.1
)
 
(0.3
)
 
(0.8
)
Settlements during the period
(0.8
)
 

 

Balance at end of period
$
14.4

 
$
21.6

 
$
29.6

Schedule of Accrued Interest and Penalties
The following table summarizes the Company’s liabilities for accrued interest and penalties related to income tax uncertainties at December 31, 2018 and 2017:
 
December 31, 2018
 
December 31, 2017
 
Accrued interest
 
Accrued penalties
 
Accrued interest
 
Accrued penalties
Other current liabilities
$
0.2

 
$
0.1

 
$
0.1

 
$
0.2

Other long-term liabilities
0.3

 

 
3.2

 
0.3

Total liabilities
$
0.5

 
$
0.1

 
$
3.3

 
$
0.5