Multiemployer Employee Benefit Plans (Plan Contributions) (Details) - Multiemployer Defined Benefit Pension Plans - USD ($) $ in Thousands	12 Months Ended
Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Multiemployer Plans [Line Items]
Multiemployer plan contributions	$ 38,144	$ 76,029	$ 65,739
Individually significant plans
Multiemployer Plans [Line Items]
Multiemployer plan contributions	32,097	30,402	28,816
All other plans
Multiemployer Plans [Line Items]
Multiemployer plan contributions	6,047	45,627	36,923
Aggregate Multiemployer Plan Withdrawal Liability
Multiemployer Plans [Line Items]
Multiemployer plan contributions	$ 1,400	$ 40,800	$ 31,800

Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=49170332&loc=SL14450702-114947

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=49170332&loc=SL14450691-114947

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 5

-Subparagraph (e)(1)

-URI http://asc.fasb.org/extlink&oid=49170332&loc=SL14450657-114947

Name:	us-gaap_MultiemployerPlanPeriodContributions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration