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Long-term Debt (Detail Textual) - USD ($) | 3 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Jun. 30, 2021
Debt Instrument [Line Items] |  |
Outstanding amount under Credit Facility | $ 1,700,905,000 | $ 1,742,635,000
Interest Rate Swap | Cash Flow Hedging |  |
Debt Instrument [Line Items] |  |
Aggregate notional amount | 650,000,000.0 |
Bank Credit Facility |  |
Debt Instrument [Line Items] |  |
Credit facility maximum borrowing capacity | $ 2,438,400,000 |
Outstanding borrowings interest rate | 2.16% |
Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Credit facility maximum borrowing capacity | $ 1,500,000,000.0 |
Outstanding amount under Credit Facility | 915,000,000 | 945,000,000
Term loans |  |
Debt Instrument [Line Items] |  |
Credit facility maximum borrowing capacity | 938,400,000 |
Outstanding amount under Credit Facility | $ 785,905,000 | $ 797,635,000
Term loan period | 5 years |
Loan maturity date | Jun. 30, 2024 |
Term loan frequency of payment | quarterly |
Term loan principal payment | $ 11,700,000 |
Same-Day Swing Line Loan Revolving Credit Sub-Facility |  |
Debt Instrument [Line Items] |  |
Credit facility maximum borrowing capacity | 100,000,000.0 |
Outstanding amount under Credit Facility | 0 |
Stand-By Letters Of Credit Revolving Credit Sub-Facility |  |
Debt Instrument [Line Items] |  |
Credit facility maximum borrowing capacity | $ 25,000,000.0 |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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