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Restructuring Charges (Schedule Of Accrued Restructuring Balances) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance | $ 0 | $ 1,091
Restructuring charges | 8,305 | 1,049
Cash Payment |  | (1,809)
Non-Cash Activity |  | 344
Foreign Exchange Adjustments |  | 13
Ending Balance |  | 0
2015 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance | 0 |
Restructuring charges | 8,305 |
Cash Payment | (5,809) |
Non-Cash Activity | 1,121 |
Foreign Exchange Adjustments | (39) |
Ending Balance | 1,336 | 0
2014 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance |  | 0
Restructuring charges |  | 879
Cash Payment |  | (879)
Non-Cash Activity |  | 0
Foreign Exchange Adjustments |  | 0
Ending Balance |  |
2013 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance |  | 953
Restructuring charges |  | 186
Cash Payment |  | (820)
Non-Cash Activity |  | 344
Foreign Exchange Adjustments |  | 25
Ending Balance |  |
2012 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance |  | 138
Restructuring charges |  | (16)
Cash Payment |  | (110)
Non-Cash Activity |  | 0
Foreign Exchange Adjustments |  | (12)
Ending Balance |  |
Severance [Member] | 2015 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance | 0 |
Restructuring charges | 2,542 |
Cash Payment | (2,289) |
Non-Cash Activity | 0 |
Foreign Exchange Adjustments | (31) |
Ending Balance | 222 | 0
Severance [Member] | 2014 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance |  | 0
Restructuring charges |  | 876
Cash Payment |  | (876)
Non-Cash Activity |  | 0
Foreign Exchange Adjustments |  | 0
Ending Balance |  |
Severance [Member] | 2013 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance |  | 120
Restructuring charges |  | 87
Cash Payment |  | (193)
Non-Cash Activity |  | 0
Foreign Exchange Adjustments |  | (14)
Ending Balance |  |
Severance [Member] | 2012 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance |  | 34
Restructuring charges |  | 45
Cash Payment |  | (79)
Non-Cash Activity |  | 0
Foreign Exchange Adjustments |  | 0
Ending Balance |  |
Lease Facility Costs [Member] | 2015 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance | 0 |
Restructuring charges | 2,462 |
Cash Payment | (1,534) |
Non-Cash Activity | 0 |
Foreign Exchange Adjustments | 0 |
Ending Balance | 928 | 0
Other Exit Costs [Member] | 2015 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance | 0 |
Restructuring charges | 3,301 |
Cash Payment | (1,986) |
Non-Cash Activity | 1,121 |
Foreign Exchange Adjustments | (8) |
Ending Balance | $ 186 | 0
Other Exit Costs [Member] | 2014 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance |  | 0
Restructuring charges |  | 3
Cash Payment |  | (3)
Non-Cash Activity |  | 0
Foreign Exchange Adjustments |  | 0
Ending Balance |  |
Other Exit Costs [Member] | 2013 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance |  | 833
Restructuring charges |  | 99
Cash Payment |  | (627)
Non-Cash Activity |  | 344
Foreign Exchange Adjustments |  | 39
Ending Balance |  |
Other Exit Costs [Member] | 2012 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Beginning Balance |  | 104
Restructuring charges |  | (61)
Cash Payment |  | (31)
Non-Cash Activity |  | 0
Foreign Exchange Adjustments |  | $ (12)
Ending Balance |  |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 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 Reference 4: 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(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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