XML 54 R41.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2017
Income Tax Disclosure [Abstract]  
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
The components of income before income taxes for the years ended December 31, 2017, 2016 and 2015 were as follows (dollars in thousands): 
 
 
2017
 
2016
 
2015
United States
 
$
262,969

 
$
273,361

 
$
236,613

Foreign
 
32,550

 
(57,870
)
 
64,318

Total
 
$
295,519

 
$
215,491

 
$
300,931

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
The components of the (benefit from)/provision for income taxes for the years ended December 31, 2017, 2016 and 2015 were as follows (dollars in thousands):
 
 
2017
 
2016
 
2015
United States:
 
 
 
 
 
 
Current
 
 
 
 
 
 
Federal
 
$
23,182

 
$
20,877

 
$
12,003

State
 
14,626

 
11,284

 
8,181

Deferred
 
 
 
 
 
 
Federal
 
(326,190
)
 
43,820

 
41,975

State
 
19,808

 
2,263

 
5,383

 
 
(268,574
)
 
78,244

 
67,542

Foreign:
 
 
 
 
 
 
Current
 
18,435

 
3,289

 
11,031

Deferred
 
(11,120
)
 
(7,138
)
 
(2,679
)
 
 
7,315

 
(3,849
)
 
8,352

Total
 
$
(261,259
)
 
$
74,395

 
$
75,894

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
The following is a summary of the effective income tax rate reconciliation for the years ended December 31, 2017, 2016 and 2015: 
 
 
2017
 
2016
 
2015
Tax provision at statutory rate
 
35.0
 %
 
35.0
 %
 
35.0
 %
Effect of foreign operations
 
(1.1
)%
 
4.3
 %
 
(3.8
)%
Foreign valuation allowance
 
(0.3
)%
 
2.9
 %
 
2.1
 %
Foreign goodwill impairment
 
 %
 
2.4
 %
 
 %
Effect of foreign tax rate change
 
 %

(2.0
)%
 
(3.3
)%
Effect of U.S. transition (toll) tax
 
7.2
 %
 
 %
 
 %
Effect of U.S. federal rate change
 
(133.3
)%
 
 %
 
 %
State income taxes, net of federal income tax benefit
 
3.8
 %
 
4.1
 %
 
3.0
 %
Benefit of track maintenance credit
 
 %
 
(13.4
)%
 
(9.1
)%
Other, net
 
0.3
 %
 
1.2
 %
 
1.3
 %
Effective income tax rate
 
(88.4
)%
 
34.5
 %
 
25.2
 %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
The components of net deferred income taxes as of December 31, 2017 and 2016 were as follows (dollars in thousands):
 
 
2017
 
2016
Deferred income tax assets:
 
 
 
 
Track maintenance credit carryforward
 
$
147,907

 
$
217,054

Net operating loss carryforwards
 
27,211

 
23,168

Accruals and reserves not deducted for tax purposes until paid
 
11,375

 
15,131

Stock-based compensation
 
8,634

 
10,089

Deferred revenue
 
4,588

 
8,289

Deferred compensation
 
3,496

 
3,891

Interest rate swaps
 
545

 

Alternative minimum tax credit carryforward
 
1,592

 
1,592

Pension and postretirement benefits
 
24,889

 
22,983

Other
 
1,992

 
2,072

 
 
232,229

 
304,269

Valuation allowance
 
(26,674
)
 
(24,075
)
Deferred income tax liabilities:
 
 
 
 
Interest rate swaps
 

 
(4,579
)
Property and equipment basis difference
 
(700,488
)
 
(1,016,349
)
Intangible assets basis difference
 
(374,067
)
 
(418,448
)
Other
 
(851
)
 
(368
)
Net deferred tax liabilities
 
$
(869,851
)
 
$
(1,159,550
)
Summary of Valuation Allowance [Table Text Block]
A reconciliation of the beginning and ending amount of the Company's valuation allowance is as follows (dollars in thousands):
 
 
2017
 
2016
Balance at beginning of year
 
$
24,075

 
$
19,315

Increase/(decrease) for state net operating losses
 
1,964

 
(1,476
)
Increase for foreign net operating losses and impairments
 
635

 
6,236

Balance at end of year
 
$
26,674

 
$
24,075

Summary of Income Tax Contingencies [Table Text Block]

A reconciliation of the beginning and ending amount of the Company's liability for uncertain tax positions is as follows (dollars in thousands):
 
 
2017
 
2016
 
2015
Balance at beginning of year
 
$
7,125

 
$
4,197

 
$
4,324

Increase for tax positions related to prior years
 
246

 
3,970

 

Decrease for tax positions related to prior years
 

 
(1,169
)
 

Decrease for expiration of statute of limitations
 
(3,271
)
 

 

Increase/(decrease) for effects of foreign exchange rates
 

 
127

 
(127
)
Balance at end of year
 
$
4,100

 
$
7,125

 
$
4,197

Summary of Income Tax Examinations [Table Text Block]
As of December 31, 2017, the following tax years remain open to examination by the major taxing jurisdictions to which the Company is subject: 
 
 
Open Tax Years
 
 
From
 
To
United States
 
2014
-
2017
Australia
 
2010
-
2017
Belgium
 
2015
-
2017
Canada
 
2009
-
2017
Germany
 
2013
-
2017
Mexico
 
2008
-
2017
Netherlands
 
2012
-
2017
Poland
 
2012
-
2017
Saudi Arabia
 
2015
-
2017
U.K.
 
2015
-
2017