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Stockholders' Equity (Common Stock Repurchase Programs) (Details) - USD ($) shares in Millions, $ in Millions	61 Months Ended
	Dec. 30, 2017	Jan. 01, 2019
Common Stock Repurchase Programs
Number of shares repurchased (in shares)	11.8
2020 and 2014
Common Stock Repurchase Programs
Common stock repurchased	$ 1,200.0
Subsequent Event
Common Stock Repurchase Programs
Authorizations remaining		$ 30.0

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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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