Acquisitions and divestitures (Details Textuals) (USD $)	3 Months Ended					12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011	Apr. 02, 2011	Jun. 30, 2012 business		Jul. 02, 2011		Jul. 03, 2010
Business Acquisition [Line Items]
Number of businesses acquired						11
Business acquisition revenue						$ 900,000,000
Aggregate purchase price	411,873,000					411,873,000
Contingent earn-out obligations	23,175,000					23,175,000
Cash acquired from acquisition						75,016,000
Acquisitions of operations and investments, net of cash acquired (Note 2)						313,218,000		690,997,000		69,333,000
Percentage of voting interests acquired	100.00%					100.00%
Gain on bargain purchase	4,000,000	4,500,000		31,000,000		4,317,000
Gain on bargain purchase per share on a diluted basis	$ 0.03	$ 0.03		$ 0.20		$ 0.03
Recognized Loss From Other Activities Before Tax						1,399,000
Recognized Loss From Other Activities Net Of Tax						854,000
Recognized loss from other activities per diluted share						$ 0.01
Gain loss on sale of cost method investment before tax			1,400,000		6,300,000			6,308,000
Gain loss on sale of cost method investment after tax			900,000		3,900,000			3,857,000
Gain loss on sale of cost method investment disposal per diluted share			$ 0.01		$ 0.02			$ 0.02
Acquisitions and Divestitures (Textuals) [Abstract]
Proceeds from divestiture activities						0		19,108,000		11,785,000
Gain on sale of equity method investments before tax								8,751,000
Gain on sale of equity method investments net of tax								5,370,000
Earn out term								3 years
Gain on sale of equity method investments per diluted share								$ 0.03
Proceeds from the sale of cost method investment								3,034,000
Noncontrolling Interest [Member]
Business Acquisition [Line Items]
Business acquisition revenue						62,000,000	[1]
Percentage of controlling interests acquired	60.00%					60.00%
Unidux [Member]
Business Acquisition [Line Items]
Business acquisition revenue								370,000,000	[1]
Gain on bargain purchase								30,990,000
Gain on bargain purchase per share on a diluted basis								$ 0.20
Bell Microproducts Inc [Member]
Business Acquisition [Line Items]
Business acquisition revenue								3,021,000,000	[1]
Acquisitions and Divestitures (Textuals) [Abstract]
Proceeds from divestiture activities								19,108,000
Gain or loss as a result of divestiture								$ 0

[1] Represents the approximate annual revenue from the acquired businesses’ most recent fiscal year end prior to acquisition by Avnet and based upon average foreign currency exchange rates for those periods.