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Restructuring Charges (Tables) | 3 Months Ended
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Mar. 31, 2018
Restructuring Charges [Abstract] |
Schedule Of Accrued Restructuring | The following table summarizes the 2018 activity in the accrued restru cturing balances related to the restructuring activities initiated prior to March 31, 2018:
|  |  | Balance as of |  |  |  |  |  |  |  | Foreign |  | Balance as of
|  |  | December 31, |  | Restructuring |  | Cash |  | Exchange |  | March 31,
(in thousands) |  |  | 2017 |  |  |  | Charges |  |  | Payment |  | Adjustments |  | 2018
2018 Restructuring: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Severance |  | $ | — |  |  | $ | 765 |  | $ | (746) |  | $ | — |  | $ | 19
| Other exit costs |  |  | — |  |  |  | 298 |  |  | (168) |  |  | — |  |  | 130
|  |  | — |  |  |  | 1,063 |  |  | (914) |  |  | — |  |  | 149
2017 Restructuring: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Severance |  |  | 47 |  |  |  | — |  |  | — |  |  | — |  |  | 47
| Leased facilities and equipment |  |  | — |  |  |  | 96 |  |  | (96) |  |  | — |  |  | —
| Other exit costs |  |  | 198 |  |  |  | 244 |  |  | (210) |  |  | (1) |  |  | 231
|  |  | 245 |  |  |  | 340 |  |  | (306) |  |  | (1) |  |  | 278
2016 Restructuring: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Severance |  |  | 29 |  |  |  | (1) |  |  | (3) |  |  | — |  |  | 25
| Other exit costs |  |  | 16 |  |  |  | 35 |  |  | (16) |  |  | — |  |  | 35
|  |  | 45 |  |  |  | 34 |  |  | (19) |  |  | — |  |  | 60
Total |  | $ | 290 |  |  | $ | 1,437 |  | $ | (1,239) |  | $ | (1) |  | $ | 487

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 + Details
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