Aggregate dividends declared during the period for each share of common stock outstanding.

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

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Subsequent Events (Details) - $ / shares shares in Millions				3 Months Ended			4 Months Ended	6 Months Ended		12 Months Ended
Subsequent Events (Details) - $ / shares shares in Millions	Sep. 04, 2019	Aug. 28, 2019	Apr. 26, 2019	Aug. 03, 2019	May 04, 2019	Aug. 04, 2018	Sep. 04, 2019	Aug. 03, 2019	Aug. 04, 2018	Feb. 02, 2019
Subsequent Events
Cash dividend announced on common stock (in dollars per share)				$ 0.1125	$ 0.1125	$ 0.2250		$ 0.3375	$ 0.4500	$ 0.225
Subsequent Events
Subsequent Events
Cash dividend announced on common stock (in dollars per share)		$ 0.1125
Accelerated Share Repurchase Contract
Subsequent Events
Share repurchases (in shares)			5.2
Accelerated Share Repurchase Contract \| Subsequent Events
Subsequent Events
Share repurchases (in shares)	5.4						10.6
Average price per share (in dollars per share)							$ 16.09