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Compensation Plans (Tables) | 12 Months Ended
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Nov. 30, 2011
Summary of Carnival Corporation and Carnival Plc Stock Option Activity | A combined summary of Carnival Corporation and Carnival plc stock option activity during the year ended November 30, 2011 was as follows:
|  | Shares |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Contractual Term |  |  | Aggregate Intrinsic Value (a) |
|  |  |  |  |  |  |  | (in years) |  |  | (in millions) |
Outstanding at November 30, 2010 |  |  | 12,719,848 |  |  | $ | 43.91 |  |  |  |  |  |  |  |  |
Exercised |  |  | (1,640,145 | ) |  | $ | 32.04 |  |  |  |  |  |  |  |  |
Forfeited or expired |  |  | (650,752 | ) |  | $ | 44.93 |  |  |  |  |  |  |  |  |
Outstanding at November 30, 2011 |  |  | 10,428,951 |  |  | $ | 45.65 |  |  |  | 2.0 |  |  | $ | 6 |
Exercisable at November 30, 2011 |  |  | 10,379,088 |  |  | $ | 45.66 |  |  |  | 2.0 |  |  | $ | 6 |
(a) | The aggregate intrinsic value represents the amount by which the fair value of underlying stock exceeds the option exercise price at November 30, 2011.
RSA, RSU and PBS Activity | During the year ended November 30, 2011, RSA/RSU and PBS activity was as follows:
|  | RSAs/RSUs |  |  | PBSs |
|  | Shares |  |  | Weighted-Average Grant Date Fair Value |  |  | Shares |  |  | Weighted-Average Grant Date Fair Value |
Outstanding at November 30, 2010 |  |  | 4,153,127 |  |  | $ | 33.61 |  |  |  | - |  |  | $ | - |
Granted |  |  | 940,623 |  |  | $ | 46.32 |  |  |  | 130,088 |  |  | $ | 45.07 |
Vested |  |  | (1,260,378 | ) |  | $ | 42.42 |  |  |  | (12,508 | ) |  | $ | 44.61 |
Forfeited |  |  | (207,406 | ) |  | $ | 36.03 |  |  |  | (588 | ) |  | $ | 44.61 |
Outstanding at November 30, 2011 |  |  | 3,625,966 |  |  | $ | 33.70 |  |  |  | 116,992 |  |  | $ | 45.12 |

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- Definition Schedule of Share-based Compensation, Restricted Stock Award, Restricted Stock Units and Performance-based Stock Activity + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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