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Leases - Cash Flow Information (Details) - USD ($) $ in Millions | 6 Months Ended
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Dec. 29, 2019 | Dec. 30, 2018
Cash used in operating activities: |  |
Cash paid for operating leases | $ 1.6 |
Cash paid for interest portion of financing leases | 0.0 |
Cash used in financing activities: |  |
Cash paid for principal portion of finance leases | 0.1 |
Non-cash operating activities: |  |
Operating lease additions due to adoption of ASC 842 | 12.2 |
Operating lease modifications, net | 4.6 | $ 0.0
Finance lease additions | $ 3.3 |

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- Definition Non-Cash Operating and Investing Activities, Lessee [Abstract] + References No definition available. + Details
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- Definition Amount of interest expense on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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