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Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2013 | Mar. 31, 2012 | Dec. 31, 2012
Purchase of Noncontrolling Interest | 6.25% |  |  |  |
Acquisition of noncontrolling interests | $ (72.0) | [1] | $ 0 | [1] |
Remaining payment related to acquisition of noncontrolling interest | 8.0 |  |  |  |
Payments of Ordinary Dividends, Common Stock | 18.7 | [1] | 10.5 | [1] |
Common Stock, Dividends, Per Share, Declared | $ 0.135 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Total equity, beginning balance | 1,554.8 |  |  |  |
Net Income | 135.0 |  | 124.6 |  |
Stock compensation plans | 8.6 |  |  |  |
Excess tax benefit from share-based compensation | 4.3 |  |  |  |
Shares for benefit plan trust | (0.4) |  |  |  |
Net unrealized pension and other benefit actuarial gains/(losses) and prior service (cost) credits | 11.4 | [2] | 7.0 |  |
Unrealized hedging gains/(losses) and other | 5.5 | [2] | 1.2 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | (14.6) | [2],[3] | 11.2 | [3] |
Dividends | (18.5) |  |  |  |
Repurchases of common stock | (109.9) |  | (144.9) |  |
Distributions to noncontrolling interests | (6.6) |  | (7.0) |  |
Total equity, ending balance | 1,483.2 |  |  |  |
Dividends, payment date | Apr. 18, 2013 |  |  |  |
Dividends payable, current | 18.5 |  |  |  |
Dividends, record date | Mar. 28, 2013 |  |  |  |
Remaining authorized repurchase amount | 134.9 |  |  |  |
Stock Repurchase Program, Authorized Amount | 500 |  |  |  |
Shares repurchased | 1,843,200 |  |  |  |
Treasury Stock, Value, Acquired, Cost Method | 109.9 |  |  |  |
Shares repurchased, value | (116.3) |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent | 80.0 | [4] |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 93.75% |  |  |  | 87.50%
FMC's Stockholders' Equity |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Total equity, beginning balance | 1,480.3 |  |  |  |
Net Income | 130.9 |  |  |  |
Stock compensation plans | 8.6 |  |  |  |
Excess tax benefit from share-based compensation | 4.3 |  |  |  |
Shares for benefit plan trust | (0.4) |  |  |  |
Net unrealized pension and other benefit actuarial gains/(losses) and prior service (cost) credits | 11.4 | [2] |  |  |
Unrealized hedging gains/(losses) and other | 5.5 | [2] |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | (14.5) | [2] |  |  |
Dividends | (18.5) |  |  |  |
Distributions to noncontrolling interests | 0 |  |  |  |
Total equity, ending balance | 1,436.1 |  |  |  |
Shares repurchased, value | (116.3) |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent | 55.2 | [4] |  |  |
Non-controlling Interest |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Total equity, beginning balance | 74.5 |  |  |  |
Net Income | 4.1 |  |  |  |
Stock compensation plans | 0 |  |  |  |
Excess tax benefit from share-based compensation | 0 |  |  |  |
Shares for benefit plan trust | 0 |  |  |  |
Net unrealized pension and other benefit actuarial gains/(losses) and prior service (cost) credits | 0 | [2] |  |  |
Unrealized hedging gains/(losses) and other | 0 | [2] |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | (0.1) | [2] |  |  |
Dividends | 0 |  |  |  |
Distributions to noncontrolling interests | (6.6) |  |  |  |
Total equity, ending balance | 47.1 |  |  |  |
Shares repurchased, value | 0 |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent | $ 24.8 | [4] |  |  |
[1] | See Note 13 regarding quarterly cash dividend and acquisition of noncontrolling interest.
[2] | See Condensed Consolidated Statements of Comprehensive Income.
[3] | Income taxes are not provided on the equity in undistributed earnings of our foreign subsidiaries or affiliates since it is our intention that such earnings will remain invested in those affiliates permanently.
[4] | See "FMC Wyoming" discussion below.

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