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Employee Pension and Other Benefit Plans - Assets at Fair Value and Assets Allocations (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jul. 01, 2017 | Jul. 02, 2016 | Jun. 27, 2015
Asset category |  |  |
Minimum maturity period for investment in index-linked Gilts | 5 years |  |
Pension Benefit Plans |  |  |
Asset category |  |  |
Fair value of total plan assets | $ 28.3 | $ 27.2 | $ 30.2
Percentage of Plan Assets | 100.00% | 100.00% |
Pension Benefit Plans | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |
Asset category |  |  |
Fair value of total plan assets | $ 0.1 | $ 0.6 |
Pension Benefit Plans | Significant Other Observable Inputs (Level 2) |  |  |
Asset category |  |  |
Fair value of total plan assets | $ 28.2 | $ 26.6 |
Pension Benefit Plans | Global equity |  |  |
Asset category |  |  |
Target Allocation | 40.00% | 40.00% |
Fair value of total plan assets | $ 11.7 | $ 10.5 |
Percentage of Plan Assets | 41.30% | 38.60% |
Pension Benefit Plans | Global equity | Significant Other Observable Inputs (Level 2) |  |  |
Asset category |  |  |
Fair value of total plan assets | $ 11.7 | $ 10.5 |
Pension Benefit Plans | Fixed income |  |  |
Asset category |  |  |
Target Allocation | 40.00% | 40.00% |
Fair value of total plan assets | $ 10.7 | $ 10.7 |
Percentage of Plan Assets | 37.80% | 39.30% |
Pension Benefit Plans | Fixed income | Significant Other Observable Inputs (Level 2) |  |  |
Asset category |  |  |
Fair value of total plan assets | $ 10.7 | $ 10.7 |
Pension Benefit Plans | Other |  |  |
Asset category |  |  |
Target Allocation | 20.00% | 20.00% |
Fair value of total plan assets | $ 5.8 | $ 5.4 |
Percentage of Plan Assets | 20.50% | 19.90% |
Pension Benefit Plans | Other | Significant Other Observable Inputs (Level 2) |  |  |
Asset category |  |  |
Fair value of total plan assets | $ 5.8 | $ 5.4 |
Pension Benefit Plans | Cash |  |  |
Asset category |  |  |
Fair value of total plan assets | $ 0.1 | $ 0.6 |
Percentage of Plan Assets | 0.40% | 2.20% |
Pension Benefit Plans | Cash | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |
Asset category |  |  |
Fair value of total plan assets | $ 0.1 | $ 0.6 |

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- Definition Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e12355-114930 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6749337 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6520858 + Details
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- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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