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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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Stock Repurchased During Period, Prior to Increased Authorization, Value

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The cash outflow to reacquire common stock during the period.

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Amount remaining of a stock repurchase plan authorized.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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