Income taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
Jul. 01, 2017	Jul. 02, 2016
Reconciliation of the beginning and ending accrual balance for unrecognized tax benefits
Balance at beginning of year	$ 58,830	$ 60,433
Additions for tax positions taken in prior periods, including interest	10,476	3,496
Reductions for tax positions taken in prior periods, including interest	(5,656)	(6,349)
Additions for tax positions taken in current period	13,659	7,577
Reductions related to settlements with taxing authorities	(203)	(725)
Reductions related to the lapse of applicable statutes of limitations	(5,790)	(13,188)
Adjustments related to foreign currency translation	2,772	(212)
Avtivity of discontinued operations	10,864	7,798
Additions from acquisitions	21,834
Balance at end of year	$ 106,786	$ 58,830

Amount of increase in unrecognized tax benefits resulting from activity of discontinued operations.

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- Definition

Amount of net increase (decrease) in unrecognized tax benefits resulting from foreign currency translation.

+ References

No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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- Definition

Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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- Definition

Amount of increase in unrecognized tax benefits resulting from acquisitions.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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- Definition

Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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