Restructuring expenses (Textuals) (Details) $ in Thousands	6 Months Ended
	Jan. 02, 2021 USD ($) employee	Jun. 27, 2020 USD ($)
Fiscal Year 2021 Restructuring Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 34,476
Restructuring Reserve	20,864
Fiscal Year 2021 Restructuring Liabilities | Electronic Components
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	18,000
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	$ 7,400
Fiscal Year 2021 Restructuring Liabilities | Minimum
Restructuring Cost and Reserve [Line Items]
Number of employee reductions under Severance charges | employee	250
Fiscal Year 2020 And Prior Restructuring Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 10,567	$ 16,942