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CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Millions, except Share data, unless otherwise specified | Total | Common Stock | Retained Earnings | Accumulated Other Comprehensive (Loss) Income | Non-controlling Interests
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2009 | $ 2,608.1 | $ 587.6 | $ 2,020.4 | $ (1.5) | $ 1.6
Balance (in shares) at Dec. 31, 2009 | 73,750,771 | 73,750,771 |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income | 197.9 |  | 194.4 |  | 3.5
Other comprehensive income (loss) | 11.8 |  |  | 11.8 |
Issuance of equity interest in subsidiary to noncontrolling interests | 0.2 | (1.4) |  |  | 1.6
Consolidation of a joint venture entity | 1.5 |  |  |  | 1.5
Payments to noncontrolling interest holders | (1.8) |  |  |  | (1.8)
Share-based compensation | 17.3 | 17.3 |  |  |
Share-based compensation (in shares) |  | 61,000 |  |  |
Stock options exercised | 21.2 | 21.2 |  |  |
Stock options exercised (in shares) |  | 827,452 |  |  |
Share-based compensation tax (deficit) benefits | 3.6 |  | 3.6 |  |
Cash dividends - $0.80, $0.48 and $0.40 per share for the year ended on December 31, 2012, December 31, 2011 and December 31, 2010, respectively | (29.7) |  | (29.7) |  |
Balance at Dec. 31, 2010 | 2,830.1 | 624.7 | 2,188.7 | 10.3 | 6.4
Balance (in shares) at Dec. 31, 2010 | 74,639,223 | 74,639,223 |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income | 349.2 |  | 343.8 |  | 5.4
Other comprehensive income (loss) | (19.1) |  |  | (19.1) |
Payments to noncontrolling interest holders | (3.7) |  |  |  | (3.7)
Share-based compensation | 21.3 | 21.3 |  |  |
Share-based compensation (in shares) |  | 102,079 |  |  |
Stock options exercised | 11.1 | 11.1 |  |  |
Stock options exercised (in shares) |  | 266,392 |  |  |
Share-based compensation tax (deficit) benefits | (1.0) |  | (1.0) |  |
Cash dividends - $0.80, $0.48 and $0.40 per share for the year ended on December 31, 2012, December 31, 2011 and December 31, 2010, respectively | (35.9) |  | (35.9) |  |
Balance at Dec. 31, 2011 | 3,152.0 | 657.1 | 2,495.6 | (8.8) | 8.1
Balance (in shares) at Dec. 31, 2011 | 75,007,694 | 75,007,694 |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income | 408.3 |  | 403.5 |  | 4.8
Other comprehensive income (loss) | 7.3 |  |  | 7.3 |
Noncontrolling interests purchased | (0.8) |  |  |  | (0.8)
Payments to noncontrolling interest holders | (3.1) |  |  |  | (3.1)
Share-based compensation | 23.0 | 23.0 |  |  |
Share-based compensation (in shares) |  | 16,842 |  |  |
Stock options exercised | 42.1 | 42.1 |  |  |
Stock options exercised (in shares) |  | 1,018,010 |  |  |
Share-based compensation tax (deficit) benefits | (1.2) |  | (1.2) |  |
Cash dividends - $0.80, $0.48 and $0.40 per share for the year ended on December 31, 2012, December 31, 2011 and December 31, 2010, respectively | (60.2) |  | (60.2) |  |
Balance at Dec. 31, 2012 | $ 3,567.4 | $ 722.2 | $ 2,837.7 | $ (1.5) | $ 9.0
Balance (in shares) at Dec. 31, 2012 | 76,042,546 | 76,042,546 |  |  |

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- Definition Value stock issued during the period as a result of the exercise of stock options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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