Income taxes (Deferred Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jul. 02, 2022	Jul. 03, 2021
Deferred tax assets:
Federal, state and foreign net operating loss carry-forwards	$ 226,072	$ 282,882
Depreciation and amortization	11,525	17,333
Inventories valuation	29,798	25,336
Operating lease liabilities	56,256	69,759
Receivables valuation	18,321	13,757
Deferred Tax Asset Interest Deductions	29,358	35,516
Various accrued liabilities and other	47,717	26,566
Deferred tax assets, gross	419,047	471,149
Less - valuation allowance	(207,889)	(293,569)
Deferred tax assets, net	211,158	177,580
Deferred tax liabilities:
Operating lease assets	(54,632)	(68,135)
Net deferred tax assets	$ 156,526	$ 109,445