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Segment And Geographic Information (Tables) | 12 Months Ended
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Dec. 31, 2017
Segment And Geographic Information [Abstract] |
Schedule Of Revenue By Geographic Location |
﻿ |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |
﻿ | Years Ended December 31,
﻿(in millions) | 2017 |  | 2016 |  | 2015
﻿North America | $ | 40.6 |  | $ | 50.8 |  | $ | 68.8
﻿Europe |  | 13.2 |  |  | 20.0 |  |  | 9.0
﻿Asia Pacific (including the Middle East) |  | 39.7 |  |  | 19.9 |  |  | 15.0
﻿Total | $ | 93.5 |  | $ | 90.7 |  | $ | 92.8
﻿

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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph a -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
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