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Retirement Savings Plan (Details) $ in Millions	12 Months Ended
	Jun. 24, 2018 USD ($) plans	Jun. 25, 2017 USD ($)	Jun. 26, 2016 USD ($)
Retirement Benefits, Description [Abstract]
Employee Benefit Plans, Number Of Plans | plans	1
Defined Contribution Plan, Employer Discretionary Contribution Amount | $	$ 7.5	$ 7.3	$ 7.0

X

- Definition

Employee Benefit Retirement Savings Plans, Number Of Plans

+ References

No definition available.

+ Details

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X

- Definition

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

+ References

No definition available.

+ Details

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

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration