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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2015
Stockholders' Equity Note [Abstract] |
Schedule Of Activity In Our Various Shareholders' Equity | Activity in our various shareholders' equity accounts for each of the years in the three-year period ended December 31, 2015 was as follows (in millions):
| Shares |  | Par Value |  | Additional Paid-in Capital |  | Retained Earnings |  | AOCI |  | Treasury Shares |  | Noncontrolling Interest
BALANCE, December 31, 2012 | 237.7 |  |  | $ | 23.9 |  |  | $ | 5,398.7 |  |  | $ | 6,434.7 |  |  | $ | 20.1 |  |  | $ | (31.0 | ) |  | $ | 5.7 |
Net income | — |  |  | — |  |  | — |  |  | 1,418.2 |  |  | — |  |  | — |  |  | 9.7 |
Dividends paid | — |  |  | — |  |  | — |  |  | (525.6 | ) |  | — |  |  | — |  |  | — |
Distributions to noncontrolling interests | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (8.1 | )
Shares issued under share-based compensation plans, net | 1.9 |  |  | .2 |  |  | 21.8 |  |  | — |  |  | — |  |  | (.1 | ) |  | — |
Tax benefits from share-based compensation | — |  |  | — |  |  | .1 |  |  | — |  |  | — |  |  | — |  |  | — |
Repurchase of shares | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (14.1 | ) |  | — |
Share-based compensation cost | — |  |  | — |  |  | 46.6 |  |  | — |  |  | — |  |  | — |  |  | — |
Net other comprehensive loss | — |  |  | — |  |  | — |  |  | — |  |  | (1.9 | ) |  | — |  |  | — |
BALANCE, December 31, 2013 | 239.6 |  |  | 24.1 |  |  | 5,467.2 |  |  | 7,327.3 |  |  | 18.2 |  |  | (45.2 | ) |  | 7.3 |
Net (loss) income | — |  |  | — |  |  | — |  |  | (3,902.6 | ) |  | — |  |  | — |  |  | 14.1 |
Dividends paid | — |  |  | — |  |  | — |  |  | (704.3 | ) |  | — |  |  | — |  |  | — |
Distributions to noncontrolling interests | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (13.5 | )
Shares issued in connection with share-based compensation plans, net | 1.1 |  |  | .1 |  |  | .4 |  |  | — |  |  | — |  |  | (.1 | ) |  | — |
Tax benefit from share-based compensation | — |  |  | — |  |  | 1.2 |  |  | — |  |  | — |  |  | — |  |  | — |
Repurchase of shares | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (13.7 | ) |  | — |
Share-based compensation cost | — |  |  | — |  |  | 48.7 |  |  | — |  |  | — |  |  | — |  |  | — |
Net other comprehensive loss | — |  |  | — |  |  | — |  |  | — |  |  | (6.3 | ) |  | — |  |  | — |
BALANCE, December 31, 2014 | 240.7 |  |  | 24.2 |  |  | 5,517.5 |  |  | 2,720.4 |  |  | 11.9 |  |  | (59.0 | ) |  | 7.9 |
Net (loss) income | — |  |  | — |  |  | — |  |  | (1,594.8 | ) |  | — |  |  | — |  |  | 8.9 |
Dividends paid | — |  |  | — |  |  | — |  |  | (140.3 | ) |  | — |  |  | — |  |  | — |
Distributions to noncontrolling interests | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (12.5 | )
Shares issued in connection with share-based compensation plans, net | 2.4 |  |  | .2 |  |  | — |  |  | — |  |  | — |  |  | (.2 | ) |  | — |
Tax expense from share-based compensation | — |  |  | — |  |  | (2.4 | ) |  | — |  |  | — |  |  | — |  |  | — |
Repurchase of shares | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (4.6 | ) |  | — |
Share-based compensation cost | — |  |  | — |  |  | 39.4 |  |  | — |  |  | — |  |  | — |  |  | — |
Net other comprehensive income | — |  |  | — |  |  | — |  |  | — |  |  | .6 |  |  | — |  |  | — |
BALANCE, December 31, 2015 | 243.1 |  |  | $ | 24.4 |  |  | $ | 5,554.5 |  |  | $ | 985.3 |  |  | $ | 12.5 |  |  | $ | (63.8 | ) |  | $ | 4.3 |

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