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Accounts Payable and Accrued Expenses
12 Months Ended
Dec. 31, 2017
Payables and Accruals [Abstract]  
Accounts Payable and Accrued Expenses
Accounts Payable and Accrued Expenses
Accounts payable and accrued expenses consisted of the following:
 
Successor
Predecessor
 
December 31, 2017
December 31, 2016
 
(Dollars in millions)
Trade accounts payable
$
388.0

$
288.6

Accrued payroll and related benefits
239.7

201.2

Other accrued expenses
225.3

190.1

Accrued taxes other than income
111.7

119.6

Accrued royalties
67.4

62.8

Asset retirement obligations
34.1

41.0

Income taxes payable
20.6

6.2

Accrued interest
15.5

1.2

Accrued health care insurance
10.6

16.0

Workers’ compensation obligations
7.6

7.8

Liabilities associated with discontinued operations
70.6

55.9

Accounts payable and accrued expenses
$
1,191.1

$
990.4