XML 19 R25.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Indebtedness (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2011
Indebtedness |
Schedule of indebtedness |
|  | As of December 31, |
--- | --- | --- | ---
|  | 2011 |  | 2010 |
Senior Notes, due 2012 at 6.85% |  | $ | 100,829 |  | $ | 100,829 |
Senior Notes, due 2013 at 6.75% |  |  | 287,000 |  |  | 287,000 |
Senior Notes, due 2014 at 7.875% |  |  | 300,000 |  |  | 300,000 |
Senior Notes, due 2015 at 5.125% |  |  | 280,000 |  |  | 280,000 |
Senior Notes, due 2016 at 6.3% |  |  | 275,000 |  |  | 275,000 |
Senior Notes, due 2017 at 5.625% |  |  | 300,000 |  |  | 300,000 |
Senior Notes, due 2018 at 6.7% |  |  | 350,000 |  |  | 350,000 |
Convertible Senior Notes, due 2027 at 3.8% |  |  | 79,054 |  |  | 79,054 |
Unamortized discounts |  |  | (5,169 | ) |  | (8,043 | )
Total unsecured senior notes |  |  | 1,966,714 |  |  | 1,963,840 |
Unsecured revolving credit facility |  |  | 149,000 |  |  | 144,000 |
Mortgage Note, due 2011 at 8.3% |  |  | — |  |  | 3,383 |
|  | $ | 2,115,714 |  | $ | 2,111,223 |
Required principal payments during the next five years and thereafter |
2012 |  | $ | 100,829 |
2013 |  |  | 287,000 |
2014 |  |  | 300,000 |
2015 |  |  | 429,000 | (1)
2016 |  |  | 275,000 |
Thereafter |  |  | 729,054 | (2)
|  | $ | 2,120,883 |
(1) Includes the $149,000 outstanding on our $750 million revolving credit facility at December 31, 2011. (2) Includes our $79,054 convertible senior notes due 2027. Holders of our convertible senior notes may require us to repurchase all or a portion of the notes on March 20, 2012, March 15, 2017 and March 15, 2022, or upon the occurrence of certain change in control events prior to March 20, 2012.

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

X
- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 470 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration