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v3.7.0.1

Changes in Equity and Noncontrolling Interests (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Increase (Decrease) In Shareholders' Equity |  |  |  |
Balance at beginning of period |  |  | $ 3,723.1 | $ 3,278.4
Net income | $ 253.6 | $ 208.7 | 480.9 | 367.2
Other comprehensive income (loss) | 62.1 | (32.2) | 129.2 | 20.2
Acquisition resulting in noncontrolling interest |  |  | 0.8 |
Purchase of noncontrolling interest |  |  | (15.0) |
Distributions to shareholders of noncontrolling interests |  |  | (4.2) | (4.1)
Purchase of treasury stock |  |  | (399.9) | (108.4)
Stock options exercised |  |  | 74.4 | 83.7
Dividends declared | (48.8) | (43.2) | (97.8) | (86.3)
Stock-based compensation expense |  |  | 24.4 | 23.2
Balance at end of period | $ 3,915.9 | $ 3,573.9 | $ 3,915.9 | $ 3,573.9
Common Stock |  |  |  |
Increase (Decrease) In Shareholders' Equity |  |  |  |
Balance (in shares) |  |  | 308.3 | 308.0
Balance at beginning of period |  |  | $ 0.3 | $ 0.3
Retirement of treasury stock (in shares) |  |  | (5.7) | (2.0)
Stock options exercised (in shares) |  |  | 2.6 | 2.6
Balance (in shares) | 305.2 | 308.6 | 305.2 | 308.6
Balance at end of period | $ 0.3 | $ 0.3 | $ 0.3 | $ 0.3
Additional Paid-In Capital |  |  |  |
Increase (Decrease) In Shareholders' Equity |  |  |  |
Balance at beginning of period |  |  | 1,020.9 | 783.3
Purchase of noncontrolling interest |  |  | (5.5) |
Stock options exercised |  |  | 74.4 | 83.7
Stock-based compensation expense |  |  | 24.4 | 23.2
Balance at end of period | 1,114.2 | 890.2 | 1,114.2 | 890.2
Retained Earnings |  |  |  |
Increase (Decrease) In Shareholders' Equity |  |  |  |
Balance at beginning of period |  |  | 3,122.7 | 2,804.4
Net income |  |  | 476.4 | 363.2
Retirement of treasury stock |  |  | (399.9) | (108.4)
Dividends declared |  |  | (97.8) | (86.3)
Balance at end of period | 3,101.4 | 2,972.9 | 3,101.4 | 2,972.9
Accumulated Other Comprehensive Loss |  |  |  |
Increase (Decrease) In Shareholders' Equity |  |  |  |
Balance at beginning of period |  |  | (469.0) | (349.5)
Other comprehensive income (loss) |  |  | 128.0 | 20.7
Balance at end of period | (341.0) | (328.8) | (341.0) | (328.8)
Treasury Stock |  |  |  |
Increase (Decrease) In Shareholders' Equity |  |  |  |
Purchase of treasury stock |  |  | (399.9) | (108.4)
Retirement of treasury stock |  |  | 399.9 | 108.4
Noncontrolling Interests |  |  |  |
Increase (Decrease) In Shareholders' Equity |  |  |  |
Balance at beginning of period |  |  | 48.2 | 39.9
Net income |  |  | 4.5 | 4.0
Other comprehensive income (loss) |  |  | 1.2 | (0.5)
Acquisition resulting in noncontrolling interest |  |  | 0.8 |
Purchase of noncontrolling interest |  |  | (9.5) |
Distributions to shareholders of noncontrolling interests |  |  | (4.2) | (4.1)
Balance at end of period | $ 41.0 | $ 39.3 | $ 41.0 | $ 39.3

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