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Subsequent Events (Details) - Subsequent Event
$ / shares in Units, $ in Millions
1 Months Ended
Aug. 03, 2017
USD ($)
$ / shares
shares
Subsequent Event [Line Items]  
Shares repurchased (in shares) | shares 1,279,206
Shares repurchased average price per share (in dollars per share) | $ / shares $ 32.03
Shares repurchased $ 41
Share repurchase authorization remaining $ 341