Restructuring expenses (Textuals) (Details) $ in Thousands	9 Months Ended
	Mar. 30, 2019 USD ($) employee	Jun. 30, 2018 USD ($)
Minimum
Restructuring Cost and Reserve [Line Items]
Number of employee reductions under Severance charges | employee	300
Fiscal Year 2019 Restructuring Liabilities Member
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 76,537
Restructuring Reserve	11,088
Fiscal Year 2019 Restructuring Liabilities Member | Electronic Components
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	75,100
Fiscal Year 2019 Restructuring Liabilities Member | Premier Farnell
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	1,100
Fiscal Year 2019 Restructuring Liabilities Member | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	300
Fiscal Year 2018 And Prior Restructuring Liabilities Member
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 5,304	$ 29,224