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Employee Pension and Other Benefit Plans - Additional Information (Details) £ in Millions |  | 12 Months Ended
--- | --- | ---
Aug. 01, 2015 USD ($) | Jul. 01, 2017 USD ($) | Jul. 01, 2017 GBP (£) | Jul. 02, 2016 USD ($) | Jul. 02, 2016 GBP (£) | Jun. 27, 2015 USD ($)
Employee 401(k) Plans |  |  |  |  |  |
Maximum contribution by an employee, as percentage of annual compensation |  | 50.00% | 50.00% |  |  |
Maximum amount of contribution by an employee in a calendar year |  | $ 18,000 |  |  |  |
Period of service required for eligibility under matching contributions |  | 180 days | 180 days |  |  |
Employer match of employee's contributions of the first 3% of eligible compensation (as a percent) |  | 100.00% | 100.00% |  |  |
Percentage of eligible compensation, matched 100% by employer |  | 3.00% | 3.00% |  |  |
Employer match of employee's contributions of the next 2% of eligible compensation (as a percent) |  | 50.00% | 50.00% |  |  |
Percentage of eligible compensation, matched 50% by employer |  | 2.00% | 2.00% |  |  |
Company's matching contribution to the plan |  | $ 4,100,000 |  | $ 4,700,000 |  | $ 4,800,000
Employee Defined Benefit Plans |  |  |  |  |  |
Minimum maturity period for investment in index-linked Gilts |  | 5 years | 5 years |  |  |
Required contributions expected in next fiscal year |  | $ 0 |  |  |  |
Pension Benefit Plans |  |  |  |  |  |
Employee Defined Benefit Plans |  |  |  |  |  |
Benefit obligation |  | 133,400,000 |  | 134,600,000 |  | $ 121,200,000
Future amortization of losses |  | 1,400,000 |  |  |  |
Employer contributions |  | 4,000,000 |  | 4,600,000 |  |
Other Post Retirement Benefit Plans |  |  |  |  |  |
Employee Defined Benefit Plans |  |  |  |  |  |
Benefit obligation |  | 1,100,000 |  | 1,100,000 |  |
Switzerland |  |  |  |  |  |
Employee Defined Benefit Plans |  |  |  |  |  |
Transfer of liabilities from plan in spin-off | $ 6,700,000 |  |  |  |  |
Transfer of assets from plan in spin-off | $ 4,600,000 |  |  |  |  |
U.K. | Foreign Pension Plan |  |  |  |  |  |
Employee Defined Benefit Plans |  |  |  |  |  |
Employer contributions |  | $ 600,000 | £ 0.5 | $ 700,000 | £ 0.5 |

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- Definition 1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Projected Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6522206 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Accumulated Postretirement Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6503904 + Details
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- Definition Amount of contributions made by the employer to defined benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(ii) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 35 -Paragraph 123 -Subparagraph B -URI http://asc.fasb.org/extlink&oid=64937487&loc=d3e36068-114959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 63 -Subparagraph B -URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e12551-114930 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(iv)(01) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The amount of decrease in the plan benefit obligation attributed to the sale, liquidation, spin-off or other divestiture of a corporate division or subsidiary. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(9) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition The amount of decrease in the plan assets attributed to the sale, liquidation, spin-off or other divestiture of a corporate division or subsidiary. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(7) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position. + References No definition available. + Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -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 Maximum amount the employee may contribute to a defined contribution plan. + 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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- Definition Represents the minimum maturity period for fixed income plan assets invested in indexed-linked gilts. + References No definition available. + Details
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- Definition Represents the first level of employee's contributions expressed as a percentage of compensation which is matched by the employer. + References No definition available. + Details
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