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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill and long-lived assets (Details) - USD ($)	3 Months Ended
Goodwill and long-lived assets (Details) - USD ($)	Sep. 29, 2018	Jun. 30, 2018	Jul. 04, 2009
Carrying amount of goodwill, by reportable segment
Carrying value	$ 980,872,000
Foreign currency translation	1,434,000
Carrying value	982,306,000
Accumulated Impairment		$ 181,440	$ 1,045,110
Electronic Components
Carrying amount of goodwill, by reportable segment
Carrying value	479,699,000
Foreign currency translation	704,000
Carrying value	480,403,000
Premier Farnell
Carrying amount of goodwill, by reportable segment
Carrying value	501,173,000
Foreign currency translation	730,000
Carrying value	$ 501,903,000