DISCONTINUED OPERATIONS - Operating Results (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 03, 2019	Apr. 27, 2019	Jan. 26, 2019	Oct. 27, 2018	Jul. 28, 2018	Apr. 28, 2018	Jan. 27, 2018	Oct. 28, 2017	Aug. 03, 2019	Jul. 28, 2018	Jul. 29, 2017
Discontinued Operations and Disposal Groups [Abstract]
Net sales									$ 2,094,046
Cost of sales									1,523,742
Gross profit									570,304
Operating expenses									463,355
Restructuring expenses									16,931
Operating income									90,018
Interest expense									931
Net periodic benefit income, excluding service cost									(463)
Equity in earnings of unconsolidated subsidiaries									1,910
Income from discontinued operations before income taxes									87,640
Income tax provision									21,840	$ 0	$ 0
Income from discontinued operations, net of tax	$ 17,953	$ 24,370	$ 21,407	$ 2,070	$ 0	$ 0	$ 0	$ 0	$ 65,800	$ 0	$ 0