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Segment Information Revenues and Operating Net Assets by Geographical Areas (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Operating Net Assets | $ 1,017,550 | $ 1,318,470 |  | $ 1,007,480 |
Continuing Operations [Member] |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Net Sales | 863,980 | 887,300 |  | 799,700 |
Operating Net Assets | 1,017,550 | 1,105,110 | [1] | 766,790 | [1]
Continuing Operations [Member] | Europe [Member] |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Net Sales | 70,760 | 75,350 |  | 74,760 |
Operating Net Assets | 61,050 | 74,350 | [1] | 110,570 | [1]
Continuing Operations [Member] | Australia |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Net Sales | 1,480 | 1,810 |  | 2,260 |
Operating Net Assets | 250 | 1,790 | [1] | 1,960 | [1]
Continuing Operations [Member] | Asia [Member] |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Net Sales | 28,800 | 22,850 |  | 14,620 |
Operating Net Assets | 79,400 | 80,840 | [1] | 41,340 | [1]
Continuing Operations [Member] | Other Americas [Member] |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Net Sales | 17,000 | 23,370 |  | 28,910 |
Operating Net Assets | 12,130 | 20,300 | [1] | 43,960 | [1]
Continuing Operations [Member] | Reportable Geographical Components [Member] |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Net Sales | 118,040 | 123,380 |  | 120,550 |
Operating Net Assets | 152,830 | 177,280 | [1] | 197,830 | [1]
Continuing Operations [Member] | United States |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Net Sales | 745,940 | 763,920 |  | 679,150 |
Operating Net Assets | $ 864,720 | $ 927,830 | [1] | $ 568,960 | [1]
[1] | Excludes discontinued operations. See Note 6, "Discontinued Operations".

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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