Goodwill and intangible assets (Details Textuals) (USD $)	12 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jul. 03, 2010
Goodwill and intangible assets (Textuals) [Abstract]
Customer relationship intangible assets carrying value	$ 181,339,000
Customer relationship intangible assets original cost value	260,667,000
Accumulated amortization and foreign currency translation	79,328,000
Intangible assets associated with the acquisitions	93,291,000
Weighted average life of intangible assets	8
Intangible asset amortization expense	27,717,000	21,240,000	8,629,000
Amortization expense year one	32,000,000
Amortization expense year two	32,000,000
Amortization expense year three	30,000,000
Amortization expense year four	25,000,000
Amortization expense year five	$ 23,000,000