v2.4.0.8

Debt (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2014
Debt Disclosure [Abstract] |
Consolidated Debt | Consolidated debt at December 31, 2013 and March 31, 2014 was as follows (in thousands, except as otherwise noted):
|  | December 31, 2013 |  | March 31, 2014 |  | Weighted-Average Interest Rate for Three Months Ending March 31, 2014 (1)
Revolving credit facility |  | $ | — |  |  | $ | — |  |  | —%
$250.0 million of 6.45% Notes due 2014 |  | 249,971 |  |  | 249,988 |  |  | 6.3%
$250.0 million of 5.65% Notes due 2016 |  | 251,183 |  |  | 251,076 |  |  | 5.7%
$250.0 million of 6.40% Notes due 2018 |  | 259,346 |  |  | 258,829 |  |  | 5.4%
$550.0 million of 6.55% Notes due 2019 |  | 571,515 |  |  | 570,613 |  |  | 5.7%
$550.0 million of 4.25% Notes due 2021 |  | 557,213 |  |  | 556,988 |  |  | 4.0%
$250.0 million of 6.40% Notes due 2037 |  | 248,998 |  |  | 249,003 |  |  | 6.4%
$250.0 million of 4.20% Notes due 2042 |  | 248,377 |  |  | 248,384 |  |  | 4.2%
$550.0 million of 5.15% Notes due 2043 |  | 298,684 |  |  | 556,395 |  |  | 5.2%
Total debt |  | $ | 2,685,287 |  |  | $ | 2,941,276 |  |  | 5.2%
(1) | Weighted-average interest rate includes the amortization/accretion of discounts and premiums and the amortization/accretion of gains and losses realized on historical cash flow and fair value hedges on interest expense.

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