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Changes in Equity and Noncontrolling Interests (Tables) | 9 Months Ended
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Sep. 30, 2017
Equity |
Rollforward of consolidated changes in equity | A rollforward of consolidated changes in equity for the nine months ended September 30, 2017 is as follows:
|  | Amphenol Corporation Shareholders
|  |  |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |  |  |  |  |
|  | Common Stock |  |  |  |  |  |  |  | Other |  |  |  |  |  |  |  |  |
|  | Shares |  |  |  |  | Additional |  | Retained |  | Comprehensive |  | Treasury |  | Noncontrolling |  | Total
|  | (in millions) |  | Amount |  | Paid-In Capital |  | Earnings |  | Loss |  | Stock |  | Interests |  | Equity
Balance as of December 31, 2016 |  | 308.3 |  | $ | 0.3 |  | $ | 1,020.9 |  | $ | 3,122.7 |  | $ | (469.0) |  | $ | — |  | $ | 48.2 |  | $ | 3,723.1
Net income |  |  |  |  |  |  |  |  |  |  | 753.9 |  |  |  |  |  |  |  |  | 7.2 |  |  | 761.1
Other comprehensive income |  |  |  |  |  |  |  |  |  |  |  |  |  | 182.8 |  |  |  |  |  | 2.1 |  |  | 184.9
Acquisitions resulting in noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.2 |  |  | 1.2
Purchase of noncontrolling interest |  |  |  |  |  |  |  | (5.5) |  |  |  |  |  |  |  |  |  |  |  | (9.5) |  |  | (15.0)
Distributions to shareholders of noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (7.1) |  |  | (7.1)
Purchase of treasury stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (555.6) |  |  |  |  |  | (555.6)
Retirement of treasury stock |  | (7.7) |  |  |  |  |  |  |  |  | (555.6) |  |  |  |  |  | 555.6 |  |  |  |  |  | —
Stock options exercised |  | 4.4 |  |  |  |  |  | 135.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 135.3
Dividends declared |  |  |  |  |  |  |  |  |  |  | (155.7) |  |  |  |  |  |  |  |  |  |  |  | (155.7)
Stock-based compensation expense |  |  |  |  |  |  |  | 37.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 37.1
Balance as of September 30, 2017 |  | 305.0 |  | $ | 0.3 |  | $ | 1,187.8 |  | $ | 3,165.3 |  | $ | (286.2) |  | $ | — |  | $ | 42.1 |  | $ | 4,109.3
A rollforward of consolidated changes in equity for the nine months ended September 30, 2016 is as follows:
|  | Amphenol Corporation Shareholders
|  |  |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |  |  |  |  |
|  | Common Stock |  |  |  |  |  |  |  | Other |  |  |  |  |  |  |  |  |
|  | Shares |  |  |  |  | Additional |  | Retained |  | Comprehensive |  | Treasury |  | Noncontrolling |  | Total
|  | (in millions) |  | Amount |  | Paid-In Capital |  | Earnings |  | Loss |  | Stock |  | Interests |  | Equity
Balance as of December 31, 2015 |  | 308.0 |  | $ | 0.3 |  | $ | 783.3 |  | $ | 2,804.4 |  | $ | (349.5) |  | $ | — |  | $ | 39.9 |  | $ | 3,278.4
Net income |  |  |  |  |  |  |  |  |  |  | 587.5 |  |  |  |  |  |  |  |  | 6.8 |  |  | 594.3
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  | 52.2 |  |  |  |  |  | (0.6) |  |  | 51.6
Acquisitions resulting in noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.4 |  |  | 6.4
Distributions to shareholders of noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (5.8) |  |  | (5.8)
Purchase of treasury stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (229.6) |  |  |  |  |  | (229.6)
Retirement of treasury stock |  | (4.0) |  |  |  |  |  |  |  |  | (229.6) |  |  |  |  |  | 229.6 |  |  |  |  |  | —
Stock options exercised, including tax benefit |  | 4.7 |  |  |  |  |  | 153.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 153.4
Dividends declared |  |  |  |  |  |  |  |  |  |  | (129.5) |  |  |  |  |  |  |  |  |  |  |  | (129.5)
Stock-based compensation expense |  |  |  |  |  |  |  | 35.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 35.5
Balance as of September 30, 2016 |  | 308.7 |  | $ | 0.3 |  | $ | 972.2 |  | $ | 3,032.8 |  | $ | (297.3) |  | $ | — |  | $ | 46.7 |  | $ | 3,754.7

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: 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=84159872&loc=d3e21463-112644 + Details
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- References No definition available. + Details
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