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Employee Pension and Other Benefit Plans - Additional Information (Details) £ in Millions | 12 Months Ended
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Jul. 03, 2021 USD ($) | Jul. 03, 2021 GBP (£) | Jun. 27, 2020 USD ($) | Jun. 27, 2020 GBP (£) | Jun. 29, 2019 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 | $ 19,500 |  |  |  |
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 | $ 4,700,000 |  | $ 4,900,000 |  | $ 4,900,000
Employee Defined Benefit Plans |  |  |  |  |
Required contributions expected in next fiscal year | $ 0 |  |  |  |
Minimum maturity period for investment in index-linked Gilts | 5 years | 5 years |  |  |
Other Post Retirement Benefit Plans |  |  |  |  |
Employee Defined Benefit Plans |  |  |  |  |
Benefit obligation | $ 400,000 |  |  |  |
Pension Benefit Plans |  |  |  |  |
Employee Defined Benefit Plans |  |  |  |  |
Future amortization of losses | 3,100,000 |  |  |  |
Benefit obligation | 140,500,000 |  | 138,900,000 |  | $ 140,000,000.0
Employer contributions | 6,900,000 |  | 4,800,000 |  |
United Kingdom | Pension Benefit Plans |  |  |  |  |
Employee Defined Benefit Plans |  |  |  |  |
Employer contributions | $ 2,000,000 | £ 1.5 | $ 600,000 | £ 0.5 |

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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (s) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921 + 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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