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Related Party Transactions (Narratives) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Sac Holdings [Member] |  |
Property Management Fee [Abstract] |  |
Property Management Fee Revenue | $ 8.2 |
Sac Holdings [Member] | Minimum [Member] |  |
Property Management Fee [Abstract] |  |
Management fee rate | 4.00% |
Sac Holdings [Member] | Maximum [Member] |  |
Property Management Fee [Abstract] |  |
Management fee rate | 10.00% |
Sac Holdings, Mercury, Four Sac, Five Sac, Galaxy and Private Mini [Member] |  |
Related party costs and expenses: |  |
Expenses, related parties | $ 6.6 |
Cash flow, related party |  | $ 6.9
Commission expenses, generated from dealer agreement with related parties | 22.7 | 24.9
Payments to aquire assets, other | 103.5 | 117.9
Sac Holdings, Four Sac, Five Sac, Galaxy, and Private Mini [Member] |  |
Related party costs and expenses: |  |
Expenses, related parties | $ 0.9 | $ 0.6

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- Definition Cash generated from agreements and notes with SAC Holdings, Four SAC, Five SAC, Galaxy and Private Mini, excluding Dealer Agreements. + References No definition available. + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123406913&loc=d3e41499-112717 + Details
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- Definition Amount of cash paid to purchase other assets as part of operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3367-108585 + Details
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- Details
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