Goodwill and intangible assets Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 27, 2014	Jun. 28, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 325,303	$ 344,322
Accumulated Amortization	(173,038)	(160,014)
Net Book Value	152,265	184,308
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	302,591	319,496
Accumulated Amortization	(168,624)	(155,604)
Net Book Value	133,967	163,892
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,506	5,993
Accumulated Amortization	(1,578)	(1,555)
Net Book Value	3,928	4,438
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	17,206	18,833
Accumulated Amortization	(2,836)	(2,855)
Net Book Value	$ 14,370	$ 15,978

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph ((a)(1),(b))

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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