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Comprehensive Income and Equity - Common Stock Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 99 Months Ended
--- | --- | ---
Mar. 30, 2019 | Mar. 31, 2018 | Mar. 30, 2019
Equity [Abstract] |  |  |
Aggregate Repurchases | $ 117.9 | $ 155.4 | $ 4,300.0
Cash paid for Repurchases | $ 122.2 | $ 145.4 |
Number of Shares (in shares) | 804,270 | 829,360 |
Average Price per Share (in dollars per share) | $ 146.56 | $ 187.41 | $ 88.17
Remaining Purchase Authorization | $ 1,465.2 |  | $ 1,465.2
Purchase prior to increased authorization | $ 83.0 |  |

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