XML 33 R118.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Earnings and Dividends Per Share - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2012 Senior convertible notes due 2040 [Member] | Dec. 31, 2012 Stock Options [Member] | Dec. 31, 2011 Stock Options [Member] | Dec. 31, 2010 Stock Options [Member] | Dec. 31, 2012 Forward equity [Member] | Dec. 31, 2011 Forward equity [Member] | Mar. 31, 2011 Warrants [Member] | Dec. 31, 2011 Warrants [Member]
Dilutive Securities Included And Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basic average shares outstanding not include restricted shares | 2.4 | 1.9 | 1.9 |  |  |  |  |  |  |  |  |
Options to purchase common shares not included in computation of diluted EPS |  |  |  |  |  | 2.6 | 2.7 | 3.2 |  |  |  |
Senior convertible notes Convertible to common shares price |  |  |  |  | $ 15.76 |  |  |  |  |  |  |
Conversion price per share greater than applicable trading day |  |  |  |  | 125.00% |  |  |  |  |  |  |
Warrants to purchase common shares |  |  | 10.0 | 10.0 |  |  |  |  |  |  |  |
Exercise of warrants for common stock shares |  |  |  |  |  |  |  |  |  |  | 10.0 |
Warrants to purchase common shares included in the computation of diluted EPS |  |  |  |  |  |  |  |  |  |  |  | 10.0
Forward Equity Agreement Entered, not included in the computation of diluted EPS |  |  |  |  |  |  |  |  | 19.0 | 9.5 |  |

X
- Definition The conversion rate for attributable to the Company's outstanding convertible debt securities due in a given year that could potentially dilute basic earnings per shares in the future that were not included in the computation of diluted EPS. + References No definition available. + Details
Name: | ddr_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPricePerShareAmount
Namespace Prefix: | ddr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Anti-dilutive warrants excluded from computation + References No definition available. + Details
Name: | ddr_AntiDilutiveWarrantsExcludedFromComputation
Namespace Prefix: | ddr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Conversion Price Per Share Percentage + References No definition available. + Details
Name: | ddr_ConversionPricePerSharePercentage
Namespace Prefix: | ddr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ddr_DilutiveSecuritiesIncludedAndAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems
Namespace Prefix: | ddr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Dilutive warrants included in computation. + References No definition available. + Details
Name: | ddr_DilutiveWarrantsIncludedInComputation
Namespace Prefix: | ddr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise Of Warrants For Common Stock Shares + References No definition available. + Details
Name: | ddr_ExerciseOfWarrantsForCommonStockShares
Namespace Prefix: | ddr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Incremental common shares attributable to equity forward agreements not included in computation of diluted Eps. + References No definition available. + Details
Name: | ddr_IncrementalCommonSharesAttributableToEquityForwardAgreementsNotIncludedInComputationOfDilutedEps
Namespace Prefix: | ddr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Options to purchase common shares not included in the computation of diluted EPS. + References No definition available. + Details
Name: | ddr_OptionsToPurchaseCommonSharesNotIncludedInComputationOfDilutedEps
Namespace Prefix: | ddr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares of restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2646-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 10 -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. + Details
Name: | us-gaap_WeightedAverageNumberOfSharesRestrictedStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration