Income taxes (Deferred Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jul. 02, 2016	Jun. 27, 2015
Deferred tax assets:
Federal, state and foreign net operating loss carry-forwards	$ 131,544	$ 249,385
Inventories valuation	21,766	16,806
Receivables valuation	10,996	16,989
Various accrued liabilities and other	15,410	14,427
Deferred tax assets, gross	179,716	297,607
Less - valuation allowance	(101,208)	(111,381)
Deferred tax assets, net	78,508	186,226
Deferred tax liabilities:
Depreciation and amortization of property, plant and equipment	(88,663)	(67,828)
Net deferred tax liability	$ (10,155)
Net deferred tax assets		$ 118,398