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Supplemental Disclosures (Narrative) (Details) (USD $) | 3 Months Ended | 0 Months Ended | 12 Months Ended |  | 0 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Feb. 18, 2014 ARN [Member] | Dec. 31, 2013 ARN [Member] | Mar. 31, 2014 ARN [Member] | Feb. 18, 2014 ARN [Member] Realized Foreign Exchange Gain Loss on Sale [Member]
Equity Method Investments [Line Items] |  |  |  |  |  |
Percentage of ownership |  |  |  | 50.00% | 50.00% |
Impairment of equity method investment |  |  |  | $ 95,400,000 |  |
Loss on sale of equity method investment |  |  | 2,400,000 |  |  | 11,500,000
Date of sale of equity method investment |  |  |  |  | February 18, 2014 |
Reclassification of AOCI due to the sale of equity method investment | 3,309,000 | (998,000) |  |  |  |
Supplemental Disclosures [Abstract] |  |  |  |  |  |
Effective tax rate | (18.80%) | 31.50% |  |  |  |
Income tax refunds | $ 3,500,000 | $ 400,000 |  |  |  |

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
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- Definition This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=7658923&loc=d3e32787-111569 + Details
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