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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND OTHER COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Millions, $ in Millions | Total | Common Stock Repurchase Program | Common Stock | Common Stock Common Stock Repurchase Program | Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Loss | Treasury Stock | Treasury Stock Common Stock Repurchase Program | Stock Held By Employee Benefits Trusts | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance (in shares) at Dec. 31, 2015 |  |  | 118.7 |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2015 | $ 2,350.4 |  | $ 236.6 |  | $ 1,260.5 | $ 3,834.4 | $ (484.8) | $ (2,529.9) |  | $ (5.9) | $ 39.5
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net income | 495.1 |  |  |  |  | 488.8 |  |  |  |  | 6.3
Other comprehensive loss | (47.1) |  |  |  |  |  | (44.1) |  |  |  | (3.0)
Shares issued under stock and benefit plans, net of minimum tax withholdings (in shares) |  |  | 1.2 |  |  |  |  |  |  |  |
Shares issued under stock and benefit plans, net of minimum tax withholdings | 4.9 |  |  |  | (19.4) |  |  | 24.3 |  |  |
Cash dividends | (158.4) |  |  |  |  | (158.4) |  |  |  |  |
Dividends paid to employee benefits trusts | 0.8 |  |  |  | 0.8 |  |  |  |  |  |
Stock-based compensation expense | 37.1 |  |  |  | 37.1 |  |  |  |  |  |
Tax effects of stock-based compensation plans | 35.9 |  |  |  | 35.9 |  |  |  |  |  |
Redeemable noncontrolling interest adjustment | 0.0 |  |  |  |  | (11.6) |  |  |  |  | 11.6
Dividends paid to noncontrolling interests | (5.8) |  |  |  |  |  |  |  |  |  | (5.8)
Purchase of noncontrolling interests | 1.7 |  |  |  | (1.6) |  |  |  |  |  | 3.3
Other | 6.7 |  |  |  | 0.0 |  |  |  |  |  | 6.7
Ending Balance (in shares) at Dec. 31, 2016 |  |  | 119.9 |  |  |  |  |  |  |  |
Ending Balance at Dec. 31, 2016 | 2,721.3 |  | $ 236.6 |  | 1,313.3 | 4,153.2 | (528.9) | (2,505.6) |  | (5.9) | 58.6
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net income | 598.0 |  |  |  |  | 587.3 |  |  |  |  | 10.7
Other comprehensive loss | 170.2 |  |  |  |  |  | 166.9 |  |  |  | 3.3
Shares issued under stock and benefit plans, net of minimum tax withholdings (in shares) |  |  | 0.7 |  |  |  |  |  |  |  |
Shares issued under stock and benefit plans, net of minimum tax withholdings | (13.7) |  |  |  | (18.8) |  |  | 5.1 |  |  |
Impact of Tax Cuts and Jobs Act of 2017 | 0.0 |  |  |  |  | 50.0 | (50.0) |  |  |  |
Treasury stock purchased under share repurchase program (in shares) |  |  |  | (0.5) |  |  |  |  |  |  |
Treasury stock purchased under share repurchase program |  | $ (77.1) |  |  |  |  |  |  | $ (77.1) |  |
Cash dividends | (188.3) |  |  |  |  | (188.3) |  |  |  |  |
Dividends paid to employee benefits trusts | 0.9 |  |  |  | 0.9 |  |  |  |  |  |
Stock-based compensation expense | 38.3 |  |  |  | 38.3 |  |  |  |  |  |
Redeemable noncontrolling interest adjustment | 0.0 |  |  |  |  | (1.5) |  |  |  |  | 1.5
Dividends paid to noncontrolling interests | (8.4) |  |  |  |  |  |  |  |  |  | (8.4)
Purchase of noncontrolling interests | (2.6) |  |  |  | (1.0) |  |  |  |  |  | (1.6)
Other | 0.4 |  |  |  | 0.0 | (0.1) |  |  |  |  | 0.5
Ending Balance (in shares) at Dec. 31, 2017 |  |  | 120.1 |  |  |  |  |  |  |  |
Ending Balance at Dec. 31, 2017 | 3,239.0 |  | $ 236.6 |  | 1,332.7 | 4,600.6 | (412.0) | (2,577.6) |  | (5.9) | 64.6
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net income | 306.3 |  |  |  |  | 299.8 |  |  |  |  | 6.5
Other comprehensive loss | (201.5) |  |  |  |  |  | (207.3) |  |  |  | 5.8
Shares issued under stock and benefit plans, net of minimum tax withholdings (in shares) |  |  | 0.5 |  |  |  |  |  |  |  |
Shares issued under stock and benefit plans, net of minimum tax withholdings | (7.4) |  |  |  | (14.0) |  |  | 6.6 |  |  |
Cash dividends | (188.8) |  |  |  |  | (188.8) |  |  |  |  |
Dividends paid to employee benefits trusts | 0.9 |  |  |  | 0.9 |  |  |  |  |  |
Stock-based compensation expense | 42.5 |  |  |  | 42.5 |  |  |  |  |  |
Redeemable noncontrolling interest adjustment | 0.0 |  |  |  |  | 2.0 |  |  |  |  | (2.0)
Dividends paid to noncontrolling interests | (10.3) |  |  |  |  |  |  |  |  |  | (10.3)
Purchases of redeemable noncontrolling interests | (29.2) |  |  |  | (5.5) |  | (7.0) |  |  |  | (16.7)
Ending Balance (in shares) at Dec. 31, 2018 |  |  | 120.6 |  |  |  |  |  |  |  |
Ending Balance at Dec. 31, 2018 | 3,155.7 |  | $ 236.6 |  | $ 1,356.6 | $ 4,717.8 | $ (626.3) | $ (2,571.0) |  | $ (5.9) | $ 47.9
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Common stock authorized amount for future purchases | $ 590.1 |  |  |  |  |  |  |  |  |  |

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