EARNINGS PER SHARE (Details) - $ / shares shares in Thousands		3 Months Ended		9 Months Ended
		Apr. 27, 2019	Apr. 28, 2018	Apr. 27, 2019	Apr. 28, 2018
Reconciliation of the basic and diluted number of shares used in computing earnings per share:
Basic weighted average shares outstanding (shares)		50,846	50,424	50,748	50,563
Net effect of dilutive stock awards based upon the treasury stock method (in shares)		118	327	0	253
Diluted weighted average shares outstanding (in shares)		50,964	50,751	50,748	50,816
Basic per share data:
Continuing operations		$ 0.64	$ 1.03	$ (6.93)	$ 2.63
Discontinued operations		0.48	0.00	0.95	0.00
Basic income (loss) per share		1.12	1.03	(5.99)	2.63
Diluted earnings per share:
Continuing operations		0.64	1.02	(6.93)	2.61
Discontinued operations	[1]	0.48	0.00	0.94	0.00
Diluted income (loss) per share		$ 1.12	$ 1.02	$ (5.99)	$ 2.61
Anti-dilutive stock-based awards excluded from the calculation of diluted (loss) earnings per share (in shares)		5,176	85	2,723	96
Shares attributable to dilutive effect of stock awards				275

[1] The computation of diluted earnings per share from discontinued operations is calculated using diluted weighted average shares outstanding, which includes the net effect of dilutive stock awards, of approximately 275 thousand shares for the 39-week period ended April 27, 2019.