Restructuring expenses (Textuals) (Details) $ in Thousands	12 Months Ended
	Jul. 03, 2021 USD ($) employee	Jun. 27, 2020 USD ($)
Fiscal Year 2021 Restructuring Liabilities
Restructuring Cost and Reserve [Line Items]
Number of employee reductions under Severance charges | employee	600
Restructuring expenses	$ 59,437
Restructuring Reserve	33,789
Fiscal Year 2021 Restructuring Liabilities | Electronic Components
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	39,000
Fiscal Year 2021 Restructuring Liabilities | Farnell
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	9,100
Fiscal Year 2021 Restructuring Liabilities | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	11,300
Fiscal Year 2020 And Prior Restructuring Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 6,173	$ 16,942