XML 61 R72.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Debt (Schedule of Debt Retirement) (Details) (USD $) In Thousands, unless otherwise specified | 1 Months Ended | 2 Months Ended | 12 Months Ended | 36 Months Ended | 1 Months Ended | 2 Months Ended | 1 Months Ended | 2 Months Ended | 1 Months Ended | 2 Months Ended | 1 Months Ended | 2 Months Ended | 1 Months Ended | 2 Months Ended | 1 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2011 | Dec. 31, 2010 | Oct. 31, 2010 | Sep. 30, 2009 | Dec. 31, 2011 | Jun. 30, 2009 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2011 | Oct. 31, 2010 Unsecured Senior Notes 5.25% Due January 2014 [Member] | Dec. 31, 2011 Unsecured Senior Notes 5.25% Due January 2014 [Member] | Jun. 30, 2009 Unsecured Senior Notes 5.25% Due January 2014 [Member] | Oct. 31, 2010 Unsecured Senior Notes 5.20% Due February 2015 [Member] | Dec. 31, 2011 Unsecured Senior Notes 5.20% Due February 2015 [Member] | Jun. 30, 2009 Unsecured Senior Notes 5.20% Due February 2015 [Member] | Oct. 31, 2010 Unsecured Senior Notes 5.25% Due June 2015 [Member] | Dec. 31, 2011 Unsecured Senior Notes 5.25% Due June 2015 [Member] | Jun. 30, 2011 Unsecured Senior Notes 5.45% Due August 2012 [Member] | Nov. 30, 2010 Unsecured Senior Notes 5.45% Due August 2012 [Member] | Sep. 30, 2009 Unsecured Senior Notes 5.45% Due August 2012 [Member] | Jun. 30, 2011 Unsecured Senior Notes 5.125% Due October 2013 [Member] | Oct. 31, 2010 Unsecured Senior Notes 5.125% Due October 2013 [Member] | Sep. 30, 2009 Unsecured Senior Notes 5.125% Due October 2013 [Member] | Feb. 28, 2011 Unsecured Senior Notes 8.125% Due February 2011 [Member] | Sep. 30, 2009 Unsecured Senior Notes 8.125% Due February 2011 [Member] | Dec. 31, 2010 Unsecured senior notes 7.875% due Feb 2011 [Member] | Sep. 30, 2009 Unsecured senior notes 7.875% due Feb 2011 [Member] | Dec. 31, 2010 Unsecured Senior Notes 7.875% due July 2011 [Member] | Sep. 30, 2009 Unsecured Senior Notes 7.875% due July 2011 [Member] | Jun. 30, 2009 Unsecured Senior Notes 7.875% due July 2011 [Member] | Dec. 31, 2010 Unsecured Senior Notes 7.50% due January 2012 [Member] | Sep. 30, 2009 Unsecured Senior Notes 7.50% due January 2012 [Member] | Oct. 31, 2010 Unsecured Senior Notes 4.55% due November 2010 [Member] | Sep. 30, 2009 Unsecured Senior Notes 4.55% due November 2010 [Member] | Oct. 31, 2010 Unsecured Senior Notes 6.25% Due February 2013 [Member] | Jun. 30, 2009 Unsecured Senior Notes 6.25% Due February 2013 [Member] | Oct. 31, 2010 Unsecured Senior Notes 5.70% Due May 2014 [Member] | Sep. 30, 2009 Unsecured Senior Notes 5.80% due September 2009 [Member] | Jul. 31, 2009 Unsecured Senior Notes 4.875% due July 2009 [Member]
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt, Amount | $ 52,996 | $ 328,043 | $ 500,000 | $ 1,500,000 | $ 257,000 | $ 192,924 | $ 323,896 | $ 898,470 | $ 1,929,257 | $ 3,151,623 | $ 128,077 | $ 80,000 | $ 36,004 | $ 47,838 | $ 37,000 | $ 57,135 | $ 25,536 | $ 140,000 | $ 7,306 | $ 23,000 | $ 168,301 | $ 45,690 | $ 104,749 | $ 30,084 | $ 13,900 | $ 186,098 | $ 85,595 | $ 306,905 | $ 132,186 | $ 341,377 | $ 25,000 | $ 110,262 | $ 214,662 | $ 47,427 | $ 252,573 | $ 162,471 | $ 74,785 | $ 31,329 | $ 210,920 | $ 25,413
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  | 5.25% | 5.25% | 5.25% | 5.20% | 5.20% | 5.20% | 5.25% | 5.25% | 5.45% | 5.45% | 5.45% | 5.125% | 5.125% | 5.125% | 8.125% | 8.125% | 7.875% | 7.875% | 7.875% | 7.875% | 7.875% | 7.50% | 7.50% | 4.55% | 4.55% | 6.25% | 6.25% | 5.70% | 5.80% | 4.875%
Debt Instrument, Maturity Date, Description |  |  |  |  |  |  |  |  |  |  | January 2014 | January 2014 | January 2014 | February 2015 | February 2015 | February 2015 | June 2015 | June 2015 | August 2012 | August 2012 | August 2012 | October 2013 | October 2013 | October 2013 | February 2011 | February 2011 | February 2011 | February 2011 | July 2011 | July 2011 | July 2011 | January 2012 | January 2012 | November 2010 | November 2010 | February 2013 | February 2013 | May 2014 | September 2009 | July 2009

X
- Definition Interest rate stated in the contractual debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -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 SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentMaturityDateDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
Name: | us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ExtinguishmentOfDebtLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration