Retirement Savings Plan (Details) $ in Millions	12 Months Ended
Jun. 28, 2015 USD ($) plans	Jun. 29, 2014 USD ($)	Jun. 30, 2013 USD ($)
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Employee Benefit Plans, Number Of Plans	1
Defined Contribution Plan, Employer Discretionary Contribution Amount \| $	$ 6.9	$ 6.3	$ 6.2

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

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