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Commitments and Contingencies - Multiemployer Pension and Defined Contribution Plans Narrative (Details) - Building Service 32BJ - USD ($) $ in Millions | 12 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019
Pension Plans |  |
Multiemployer Plans [Line Items] |  |
Plan contributions | $ 291.3 | $ 290.1
Health Plans |  |
Multiemployer Plans [Line Items] |  |
Plan contributions | $ 1,600.0 | $ 1,500.0

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- Definition Amount of contribution received by multiemployer pension plan from all employers participating in multiemployer pension plan determined to be individually significant. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 7 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450678-114947 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948 + Details
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- Details
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- Details
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