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Nature of Operations (Details) $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Sep. 11, 2020 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 USD ($) segment
Number of reporting segments | segment |  |  | 2
Senior Secured Term Loan Facility [Member] | Scenario, Plan [Member] |  |  |
Debt instrument, face amount | $ 1,000.0 |  |
Senior Secured Revolving Loan Facility [Member] | Scenario, Plan [Member] |  |  |
Maximum borrowing capacity | 400.0 |  |
Senior Secured Notes [Member] | Scenario, Plan [Member] |  |  |
Debt instrument, face amount | 650.0 |  |
Senior Secured Bridge Term Loan Facility [Member] | Scenario, Plan [Member] |  |  |
Maximum borrowing capacity | 650.0 |  |
Walden [Member] |  |  |
Acquisition and integration costs |  | $ 11.1 | $ 24.5
Walden [Member] | Scenario, Plan [Member] |  |  |
Cash paid for acquisition | $ 1,480.0 |  |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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