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Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2017
Business Acquisition [Line Items] |
Business acquisition, pro forma information | The following unaudited pro forma financial information presents the combined results of operations of Rogers, DSP, DeWAL and Arlon as if the DSP acquisition had occurred on January 1, 2016, the DeWAL acquisition occurred on January 1, 2015, and the Arlon acquisition occurred on January 1, 2014. The unaudited pro forma financial information is not intended to represent or be indicative of our consolidated results of operations that would have been reported had the DSP, DeWAL and Arlon acquisitions been completed as of January 1, 2016, January 1, 2015 and January 1, 2014, respectively, and should not be taken as indicative of our future consolidated results of operations.
| For the Years Ended December 31,
(Dollars in thousands) | 2017 | 2016 | 2015
Net sales | $ | 821,043 |  | $ | 724,877 |  | $ | 693,462 |
Net income | 81,184 |  | 50,349 |  | 41,976 |
Diversified Silicone Products, Inc. |
Business Acquisition [Line Items] |
Schedule of assets acquired and liabilities assumed |
(Dollars in thousands) | January 6, 2017
Assets: |
Accounts receivable | $ | 2,724 |
Prepaid expenses | 21 |
Inventory | 2,433 |
Property, plant & equipment | 1,589 |
Other intangible assets | 35,860 |
Goodwill | 17,793 |
Total assets | 60,420 |
Liabilities: |  |
Accounts payable | 179 |
Accrued expenses | 50 |
Total liabilities | 229 |
Fair value of net assets acquired | $ | 60,191 |
DeWAL |
Business Acquisition [Line Items] |
Schedule of assets acquired and liabilities assumed |
(Dollars in thousands) | November 23, 2016
Assets: |
Cash and cash equivalents | $ | 1,539 |
Accounts receivable | 7,513 |
Other current assets | 691 |
Inventory | 9,915 |
Property, plant & equipment | 9,932 |
Other intangible assets | 73,500 |
Goodwill | 35,985 |
Other long-term assets | 101 |
Total assets | 139,176 |
Liabilities: |  |
Accounts payable | 2,402 |
Other current liabilities | 1,292 |
Total liabilities | 3,694 |
Fair value of net assets acquired | $ | 135,482 |
Arlon |
Business Acquisition [Line Items] |
Schedule of assets acquired and liabilities assumed | The following table represents the fair values assigned to the acquired assets and liabilities in the transaction:
(Dollars in thousands) | January 22, 2015
Assets: |
Cash and cash equivalents | $ | 142 |
Accounts receivable | 17,301 |
Other current assets | 856 |
Inventory | 9,916 |
Deferred income tax assets, current | 1,084 |
Property, plant & equipment | 30,667 |
Other intangible assets | 50,020 |
Goodwill | 85,565 |
Other long-term assets | 106 |
Total assets | 195,657 |
Liabilities: |  |
Accounts payable | 4,958 |
Other current liabilities | 4,385 |
Deferred tax liability | 23,225 |
Other long-term liabilities | 4,540 |
Total liabilities | 37,108 |
Fair value of net assets acquired | $ | 158,549 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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