Shareholders' Equity - Dividends Declared (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2016	May. 02, 2015	Jan. 30, 2016
Equity [Abstract]
Common Stock, Dividends, Per Share, Cash Paid	$ 0.21
Amount declared (Dividends)	$ 10,616	$ 10,479	$ 29,255
Amount paid (Dividends)	$ (10,597)	$ (10,197)