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Goodwill and Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The changes in the carrying amount of goodwill for the years ended December 31, 2017 and 2016 is summarized as follows:
 
 
Performance
Materials &
Chemicals
 
Environmental
Catalysts &
Services
 
Total 
Balance as of January 1, 2016
 
$
—

 
$
311,892

 
$
311,892

Goodwill recognized
 
876,844

 
81,683

 
958,527

Foreign exchange impact
 
(24,338
)
 
(4,652
)
 
(28,990
)
Balance as of December 31, 2016
 
$
852,506

 
$
388,923

 
$
1,241,429

Goodwill recognized
 
37,584

 
—

 
37,584

Foreign exchange impact
 
24,533

 
2,410

 
26,943

Balance as of December 31, 2017
 
$
914,623

 
$
391,333

 
$
1,305,956

 
 
 
 
 
 
 
Schedule of Finite-Lived Intangible Assets
Gross carrying amounts and accumulated amortization for intangible assets other than goodwill are as follows:
 
December 31, 2017
 
December 31, 2016
 
Gross
Carrying
Amount
Accumulated
Amortization
Foreign
Exchange
Impact 
Net
Balance
 
Gross
Carrying
Amount
Accumulated
Amortization
Impairment Charge
Foreign Exchange Impact
Net
Balance
Technical know-how
$
214,290

$
(21,138
)
$
(1,691
)
$
191,461

 
$
214,290

$
(10,029
)
$
—

$
(7,855
)
$
196,406

Customer relationships
368,000

(63,860
)
(1,979
)
302,161

 
368,000

(31,199
)
—

(11,064
)
325,737

Contracts
19,800

(9,205
)
—

10,595

 
19,800

(3,658
)
—

—

16,142

Trademarks
35,400

(3,911
)
(198
)
31,291

 
35,400

(1,573
)
—

(567
)
33,260

Permits
9,100

(5,612
)
—

3,488

 
9,100

(3,792
)
—

—

5,308

Total definite-lived intangible assets
646,590

(103,726
)
(3,868
)
538,996

 
646,590

(50,251
)
—

(19,486
)
576,853

Indefinite-lived trade names
159,027

—

(968
)
158,059

 
165,900

—

(6,873
)
(5,105
)
153,922

Indefinite-lived trademarks
82,900

—

(611
)
82,289

 
82,900

—

—

(3,902
)
78,998

In-process research and development
6,800

—

—

6,800

 
6,800

—

—

—

6,800

Total intangible assets
$
895,317

$
(103,726
)
$
(5,447
)
$
786,144

 
$
902,190

$
(50,251
)
$
(6,873
)
$
(28,493
)
$
816,573

 
 

 

 

 

 
 

 

 

 
 
Schedule of Indefinite-Lived Intangible Assets
Gross carrying amounts and accumulated amortization for intangible assets other than goodwill are as follows:
 
December 31, 2017
 
December 31, 2016
 
Gross
Carrying
Amount
Accumulated
Amortization
Foreign
Exchange
Impact 
Net
Balance
 
Gross
Carrying
Amount
Accumulated
Amortization
Impairment Charge
Foreign Exchange Impact
Net
Balance
Technical know-how
$
214,290

$
(21,138
)
$
(1,691
)
$
191,461

 
$
214,290

$
(10,029
)
$
—

$
(7,855
)
$
196,406

Customer relationships
368,000

(63,860
)
(1,979
)
302,161

 
368,000

(31,199
)
—

(11,064
)
325,737

Contracts
19,800

(9,205
)
—

10,595

 
19,800

(3,658
)
—

—

16,142

Trademarks
35,400

(3,911
)
(198
)
31,291

 
35,400

(1,573
)
—

(567
)
33,260

Permits
9,100

(5,612
)
—

3,488

 
9,100

(3,792
)
—

—

5,308

Total definite-lived intangible assets
646,590

(103,726
)
(3,868
)
538,996

 
646,590

(50,251
)
—

(19,486
)
576,853

Indefinite-lived trade names
159,027

—

(968
)
158,059

 
165,900

—

(6,873
)
(5,105
)
153,922

Indefinite-lived trademarks
82,900

—

(611
)
82,289

 
82,900

—

—

(3,902
)
78,998

In-process research and development
6,800

—

—

6,800

 
6,800

—

—

—

6,800

Total intangible assets
$
895,317

$
(103,726
)
$
(5,447
)
$
786,144

 
$
902,190

$
(50,251
)
$
(6,873
)
$
(28,493
)
$
816,573

 
 

 

 

 

 
 

 

 

 
 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Estimated future aggregate amortization expense of intangible assets is as follows:
Year 
 
Amount 
2018
 
$
51,883

2019
 
50,914

2020
 
47,363

2021
 
46,421

2022
 
46,354

Thereafter
 
296,061

Total estimated future aggregate amortization expense
 
$
538,996