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Retirement Plans and Postretirement Costs (Details 5) | Jul. 01, 2018 | Jul. 02, 2017
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Pension plan weighted-average asset allocations by asset category |  |
Target Allocation | 100.00% |
Plan assets - actual percentage | 100.00% | 100.00%
Equity investments |  |
Pension plan weighted-average asset allocations by asset category |  |
Plan assets - actual percentage | 13.00% | 38.00%
Equity investments | Minimum |  |
Pension plan weighted-average asset allocations by asset category |  |
Target Allocation | 0.00% |
Equity investments | Maximum |  |
Pension plan weighted-average asset allocations by asset category |  |
Target Allocation | 50.00% |
Fixed-income investments / cash |  |
Pension plan weighted-average asset allocations by asset category |  |
Plan assets - actual percentage | 87.00% | 62.00%
Fixed-income investments / cash | Minimum |  |
Pension plan weighted-average asset allocations by asset category |  |
Target Allocation | 50.00% |
Fixed-income investments / cash | Maximum |  |
Pension plan weighted-average asset allocations by asset category |  |
Target Allocation | 100.00% |

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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + 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=112275985&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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