Goodwill and intangible assets (Schedule of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 28, 2014	Jun. 29, 2013
Carrying amount of goodwill, by reportable segment
Gross goodwill	$ 2,728,202	$ 2,641,022
Accumulated impairment	(1,379,734)	(1,379,734)
Carrying value	1,261,288
Additions	62,616
Adjustments	2,591
Foreign currency translation	21,973
Carrying value	1,348,468
Electronics Marketing [Member]
Carrying amount of goodwill, by reportable segment
Gross goodwill	1,713,567	1,646,940
Accumulated impairment	(1,045,110)	(1,045,110)
Carrying value	601,830
Additions	51,994
Adjustments	2,039
Foreign currency translation	12,594
Carrying value	668,457
Technology Solutions [Member]
Carrying amount of goodwill, by reportable segment
Gross goodwill	1,014,635	994,082
Accumulated impairment	(334,624)	(334,624)
Carrying value	659,458
Additions	10,622
Adjustments	552
Foreign currency translation	9,379
Carrying value	$ 680,011

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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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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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

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Amount of increase (decrease) from foreign currency translation adjustments of 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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