Income taxes (Deferred Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jun. 29, 2024	Jul. 01, 2023
Deferred tax assets:
Federal, state and foreign net operating loss carry-forwards	$ 207,087	$ 211,719
Depreciation and amortization	18,501	15,311
Inventories valuation	19,022	11,525
Operating lease liabilities	51,581	56,424
Receivables valuation	18,417	13,946
Deferred Tax Asset Interest Deductions	51,388	39,175
Various accrued liabilities and other	103,346	101,713
Deferred tax assets, gross	469,342	449,813
Less - valuation allowance	(216,179)	(207,744)
Deferred tax assets, net	253,163	242,069
Deferred tax liabilities:
Operating lease assets	(49,956)	(54,799)
Net deferred tax assets	$ 203,207	$ 187,270