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Retirement and Deferred Compensation Plans (Detail) - USD ($) $ in Millions | 12 Months Ended
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Jun. 25, 2017 | Jun. 26, 2016 | Jun. 28, 2015
Compensation and Retirement Disclosure [Abstract] |  |  |
Minimum employee 401K contribution (percent) | 1.00% |  |
Maximum employee 401K contribution (percent) | 75.00% |  |
Employer contribution matching (percent) | 50.00% |  |
Maximum employee contributions matched by the Company (percent) | 6.00% |  |
Defined benefit plan, contribution by employer | $ 15.2 | $ 13.2 | $ 11.8
Payment of benefits, duration after opening of a deferral subaccount or upon retirement (at least) | 3 years |  |
Deferred compensation plan maximum distribution period | 20 years |  |
Liabilities of Company to plan participants | $ 155.7 | 122.9 |
Assets correlated to the deferred compensation obligation | 180.2 | 149.8 |
Defined benefit obligations | $ 39.9 | $ 37.0 |

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- Definition Assets in the form of retail mutual funds and company owned life insurance policies that are correlated to the deferred compensation obligation. + References No definition available. + Details
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- Definition Maximum period over which distributions from a deferred compensation plan account will be paid. + References No definition available. + Details
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- Definition Period of time an employee must wait after opening a deferred compensation account before payment may be made from that account. + References No definition available. + Details
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- Definition Minimum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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- Definition The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + Details
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- Definition For defined benefit pension plans, the actuarial present value of benefits (whether vested or nonvested) attributed by the pension benefit formula to employee service rendered before a specified date and based on employee service and compensation (if applicable) before that date. The accumulated benefit obligation differs from the projected benefit obligation in that it includes no assumption about future compensation levels. For plans with flat-benefit or nonpay-related pension benefit formulas, the accumulated benefit obligation and the projected benefit obligation are the same. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Accumulated Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6503844 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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