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Acquisitions (Details 2) - USD ($) $ in Thousands | Dec. 31, 2017 | Apr. 06, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | --- | ---
ASSETS |  |  |  |
Intangible Assets Subject to Amortization: | $ 159,445 |  |  |
LIABILITIES |  |  |  |
Goodwill | $ 186,044 |  | $ 21,065 | $ 16,803
IP Cleaning S.p.A |  |  |  |
ASSETS |  |  |  |
Receivables |  | $ 39,984 |  |
Inventories |  | 46,442 |  |
Other Current Assets |  | 5,314 |  |
Assets Held for Sale |  | 2,247 |  |
Property, Plant and Equipment |  | 63,890 |  |
Intangible Assets Subject to Amortization: |  | 159,445 |  |
Other Assets |  | 8,261 |  |
Total Identifiable Assets Acquired |  | 325,583 |  |
LIABILITIES |  |  |  |
Accounts Payable |  | 32,227 |  |
Accrued Expenses |  | 15,611 |  |
Deferred Income Taxes |  | 60,433 |  |
Other Liabilities |  | 9,360 |  |
Total Identifiable Liabilities Assumed |  | 117,631 |  |
Net Identifiable Assets Acquired |  | 207,952 |  |
Noncontrolling Interest |  | (2,028) |  |
Goodwill |  | 147,845 |  |
Total Estimated Purchase Price, net of Cash Acquired |  | 353,769 |  |
Trade Name | IP Cleaning S.p.A |  |  |  |
ASSETS |  |  |  |
Intangible Assets Subject to Amortization: |  | 26,753 |  |
Customer Lists | IP Cleaning S.p.A |  |  |  |
ASSETS |  |  |  |
Intangible Assets Subject to Amortization: |  | 123,061 |  |
Technology | IP Cleaning S.p.A |  |  |  |
ASSETS |  |  |  |
Intangible Assets Subject to Amortization: |  | $ 9,631 |  |

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