Segment information (Sales) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Revenue from External Customer [Line Items]
Sales	$ 27,499,654	$ 25,458,924	$ 25,707,522
Semiconductors [Member]
Revenue from External Customer [Line Items]
Sales	13,160,900	13,720,800	13,461,600
Computer Products [Member]
Revenue from External Customer [Line Items]
Sales	10,571,600	9,346,000	9,984,400
Connectors [Member]
Revenue from External Customer [Line Items]
Sales	794,700	687,600	667,500
Passives, electromechanical and other [Member]
Revenue from External Customer [Line Items]
Sales	$ 2,972,500	$ 1,704,500	$ 1,594,000