Stock Repurchase Activity	3 Months Ended
Oct. 29, 2016
Stock Repurchase Activity [Abstract]
Stock Repurchase Program	7. Stock Repurchase Activity In November 2015, the Board of Directors (Board) authorized a Stock Repurchase Program (Program) of $300.0 million to repurchase our common stock through February 2, 2019. The Program replaced an existing program and authorizes repurchases of our common stock in open market or negotiated transactions, with the amount and timing of repurchases dependent on market conditions and at the discretion of our management. In addition to the Program, we also acquire shares of our common stock from holders of restricted stock unit awards to satisfy tax withholding requirements due at vesting. Shares acquired from holders of restricted stock unit awards to satisfy tax withholding requirements do not reduce the Program authorization. During the thirteen weeks ended October 29, 2016, we repurchased 53,519 shares of our common stock at a cost of $1.9 million, including 111 shares acquired from holders of restricted stock unit awards to satisfy tax withholding requirements of $4,600. During the thirty-nine weeks ended October 29, 2016, we repurchased 911,356 shares of our common stock at a cost of $31.6 million, including 25,993 shares acquired from holders of restricted stock unit awards to satisfy tax withholding requirements of $0.9 million. During the thirteen weeks ended October 31, 2015, we repurchased 1,341,170 shares of our common stock at a cost of $50.5 million. During the thirty-nine weeks ended October 31, 2015, we repurchased 2,137,389 shares of our common stock at a cost of $87.9 million, including 42,877 shares acquired from holders of restricted stock unit awards to satisfy tax withholding requirements of $2.1 million. As of October 29, 2016, we had approximately $269.3 million remaining under the Program for stock repurchases.

7. Stock Repurchase Activity

In November 2015, the Board of Directors (Board) authorized a Stock Repurchase Program (Program) of $300.0 million to repurchase our common stock through February 2, 2019. The Program replaced an existing program and authorizes repurchases of our common stock in open market or negotiated transactions, with the amount and timing of repurchases dependent on market conditions and at the discretion of our management. In addition to the Program, we also acquire shares of our common stock from holders of restricted stock unit awards to satisfy tax withholding requirements due at vesting. Shares acquired from holders of restricted stock unit awards to satisfy tax withholding requirements do not reduce the Program authorization.

During the thirteen weeks ended October 29, 2016, we repurchased 53,519 shares of our common stock at a cost of $1.9 million, including 111 shares acquired from holders of restricted stock unit awards to satisfy tax withholding requirements of $4,600. During the thirty-nine weeks ended October 29, 2016, we repurchased 911,356 shares of our common stock at a cost of $31.6 million, including 25,993 shares acquired from holders of restricted stock unit awards to satisfy tax withholding requirements of $0.9 million.

During the thirteen weeks ended October 31, 2015, we repurchased 1,341,170 shares of our common stock at a cost of $50.5 million. During the thirty-nine weeks ended October 31, 2015, we repurchased 2,137,389 shares of our common stock at a cost of $87.9 million, including 42,877 shares acquired from holders of restricted stock unit awards to satisfy tax withholding requirements of $2.1 million.

As of October 29, 2016, we had approximately $269.3 million remaining under the Program for stock repurchases.