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1. Basis of Presentation and Use of Estimates Immaterial Errors Related to Presentation (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Sep. 30, 2012 Income Tax On Net Unrealized Holding Gain (Loss) [Member] | Sep. 30, 2012 Income Tax On Net Unrealized Holding Gain (Loss) [Member] | Dec. 31, 2012 Income Tax On Net Unrealized Holding Gain (Loss) [Member] | Dec. 31, 2011 Income Tax On Net Unrealized Holding Gain (Loss) [Member] | Dec. 31, 2010 Income Tax On Net Unrealized Holding Gain (Loss) [Member] | Sep. 30, 2012 Reclassification Adjustments For Net Holding (Gain) Loss Net Of Income Tax [Member] | Sep. 30, 2012 Reclassification Adjustments For Net Holding (Gain) Loss Net Of Income Tax [Member] | Dec. 31, 2012 Reclassification Adjustments For Net Holding (Gain) Loss Net Of Income Tax [Member] | Dec. 31, 2011 Reclassification Adjustments For Net Holding (Gain) Loss Net Of Income Tax [Member] | Dec. 31, 2010 Reclassification Adjustments For Net Holding (Gain) Loss Net Of Income Tax [Member] | Sep. 30, 2012 Income Tax on Reclassification Adjustments For Net Holding (Gain) Loss [Member] | Sep. 30, 2012 Income Tax on Reclassification Adjustments For Net Holding (Gain) Loss [Member] | Dec. 31, 2012 Income Tax on Reclassification Adjustments For Net Holding (Gain) Loss [Member] | Dec. 31, 2011 Income Tax on Reclassification Adjustments For Net Holding (Gain) Loss [Member] | Dec. 31, 2010 Income Tax on Reclassification Adjustments For Net Holding (Gain) Loss [Member] | Sep. 30, 2012 Net Unrealized Holding Gain (Loss) Net Of Income Tax [Member] | Sep. 30, 2012 Net Unrealized Holding Gain (Loss) Net Of Income Tax [Member] | Dec. 31, 2012 Net Unrealized Holding Gain (Loss) Net Of Income Tax [Member] | Dec. 31, 2011 Net Unrealized Holding Gain (Loss) Net Of Income Tax [Member] | Dec. 31, 2010 Net Unrealized Holding Gain (Loss) Net Of Income Tax [Member] | Sep. 30, 2012 Income Tax on Reclassification Adjustments For Net Holding (Gain) Loss [Member] | Sep. 30, 2012 Income Tax on Reclassification Adjustments For Net Holding (Gain) Loss [Member] | Dec. 31, 2012 Income Tax on Reclassification Adjustments For Net Holding (Gain) Loss [Member] | Dec. 31, 2011 Income Tax on Reclassification Adjustments For Net Holding (Gain) Loss [Member] | Dec. 31, 2010 Income Tax on Reclassification Adjustments For Net Holding (Gain) Loss [Member] | Sep. 30, 2012 Reclassification Adjustments For Net Holding (Gain) Loss Net Of Income Tax [Member] | Sep. 30, 2012 Reclassification Adjustments For Net Holding (Gain) Loss Net Of Income Tax [Member] | Dec. 31, 2012 Reclassification Adjustments For Net Holding (Gain) Loss Net Of Income Tax [Member] | Dec. 31, 2011 Reclassification Adjustments For Net Holding (Gain) Loss Net Of Income Tax [Member] | Dec. 31, 2010 Reclassification Adjustments For Net Holding (Gain) Loss Net Of Income Tax [Member] | Sep. 30, 2012 Income Tax On Net Unrealized Holding Gain (Loss) [Member] | Sep. 30, 2012 Income Tax On Net Unrealized Holding Gain (Loss) [Member] | Dec. 31, 2012 Income Tax On Net Unrealized Holding Gain (Loss) [Member] | Dec. 31, 2011 Income Tax On Net Unrealized Holding Gain (Loss) [Member] | Dec. 31, 2010 Income Tax On Net Unrealized Holding Gain (Loss) [Member] | Sep. 30, 2012 Net Unrealized Holding Gain (Loss) Net Of Income Tax [Member] | Sep. 30, 2012 Net Unrealized Holding Gain (Loss) Net Of Income Tax [Member] | Dec. 31, 2012 Net Unrealized Holding Gain (Loss) Net Of Income Tax [Member] | Dec. 31, 2011 Net Unrealized Holding Gain (Loss) Net Of Income Tax [Member] | Dec. 31, 2010 Net Unrealized Holding Gain (Loss) Net Of Income Tax [Member] | Sep. 30, 2013 Cost of goods sold, immaterial error [Member] | Sep. 30, 2013 Cost of goods sold, immaterial error [Member] | Dec. 31, 2012 Cost of goods sold, immaterial error [Member] | Dec. 31, 2011 Cost of goods sold, immaterial error [Member] | Dec. 31, 2010 Cost of goods sold, immaterial error [Member] | Sep. 30, 2013 Selling, General And Administrative Expense, Immaterial Error [Member] | Sep. 30, 2013 Selling, General And Administrative Expense, Immaterial Error [Member] | Dec. 31, 2012 Selling, General And Administrative Expense, Immaterial Error [Member] | Dec. 31, 2011 Selling, General And Administrative Expense, Immaterial Error [Member] | Dec. 31, 2010 Selling, General And Administrative Expense, Immaterial Error [Member] | Sep. 30, 2013 Research and development expense, reclassification [Member] | Sep. 30, 2013 Research and development expense, reclassification [Member] | Dec. 31, 2012 Research and development expense, reclassification [Member] | Dec. 31, 2011 Research and development expense, reclassification [Member] | Dec. 31, 2010 Research and development expense, reclassification [Member] | Sep. 30, 2013 Provision for income taxes [Member] | Sep. 30, 2013 Provision for income taxes [Member] | Dec. 31, 2012 Provision for income taxes [Member] | Dec. 31, 2011 Provision for income taxes [Member] | Dec. 31, 2010 Provision for income taxes [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quantifying Misstatement in Current Year Financial Statements, Amount | $ 12,240 | $ 30,405 | $ 38,108 | $ 7,373 | $ 9,022 | $ (719) | $ (4,973) | $ (5,045) | $ 104 | $ (385) | $ (418) | $ (2,895) | $ (2,937) | $ 61 | $ (224) | $ 21,023 | $ 52,219 | $ 65,448 | $ 12,663 | $ 15,495 | $ (836) | $ (5,790) | $ (5,874) | $ 121 | $ (448) | $ (1,438) | $ (9,946) | $ (10,090) | $ 208 | $ (770) | $ (836) | $ (5,790) | $ (5,874) | $ 121 | $ (448) | $ (1,438) | $ (9,946) | $ (10,090) | $ 208 | $ (770) | $ 224,927 | $ 654,784 | $ 914,077 | $ 894,700 | $ 835,310 | $ 160,134 | $ 492,913 | $ 681,778 | $ 695,984 | $ 634,413 | $ 47,795 | $ 150,637 | $ 209,204 | $ 177,604 | $ 166,486 | $ 12,383 | $ 48,375 | $ 64,729 | $ 67,034 | $ 39,533

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- Definition Amount of each individual error being corrected in the correcting adjustment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 1.N.Q3) -URI http://asc.fasb.org/extlink&oid=26874127&loc=d3e30840-122693 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 1 -Section N + Details
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