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Background and Significant Accounting Policies (Details 4) (USD $) | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Foreign Currency Translation |  |  |
Foreign currency (loss) gain | $ (8,200,000) | $ (16,500,000) | $ 4,900,000
Non-cash (loss) gain from foreign currency exchange rate changes on intercompany obligations | (7,400,000) | (14,200,000) | 6,300,000
Correction of Misclassifications |  |  |
Net cash provided by (used in) investing activities | (205,451,000) | (239,184,000) | (102,965,000)
Net cash provided by (used in) financing activities | (171,290,000) | 99,290,000 | (298,667,000)
Correction of Misclassification in the Statement of Cash Flows | As previously reported |  |  |
Correction of Misclassifications |  |  |
Net cash provided by (used in) investing activities |  | 50,724,000 | 6,400,000
Net cash provided by (used in) financing activities |  | (190,618,000) | (408,032,000)
Correction of Misclassification in the Statement of Cash Flows | Increase (decrease) |  |  |
Correction of Misclassifications |  |  |
Net cash provided by (used in) investing activities |  | (289,908,000) | (109,365,000)
Net cash provided by (used in) financing activities |  | $ 289,908,000 | $ 109,365,000

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- Definition The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 52 -Paragraph 30 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 + Details
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