Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount, after accumulated amortization, of debt discount.

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- Definition

Date the credit facility first became available, in YYYY-MM-DD format.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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No definition available.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

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Long-Term Debt - Additional Information (Details) - USD ($) $ in Millions			9 Months Ended
	Apr. 22, 2022	Dec. 18, 2013	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2022	Jun. 22, 2022
Debt Instrument [Line Items]
Debt repayments			$ 9.0	$ 1,003.3
Debt voluntary repayment			448.0	203.0
Debt borrowings during the period			460.0	223.7
Long-term debt, fair value			1,353.2		$ 1,317.1
Receivables Financing Agreement \| Wholly-owned Subsidiary
Debt Instrument [Line Items]
Credit agreement, maximum borrowing capacity						$ 275.0
Debt voluntary repayment			460.0	224.0
Debt borrowings during the period			448.0	203.0
Series B Term Loan \| SOFR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.50%
Series B Term Loan \| ABR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.50%
Credit Agreement \| First Lien Credit Facility Term Loans
Debt Instrument [Line Items]
Credit agreement date		Dec. 18, 2013
Debt instrument, term		7 years
Credit agreement, maximum borrowing capacity		$ 1,460.0
Credit Agreement \| First Lien Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, term		5 years
Credit agreement, maximum borrowing capacity		$ 210.0
Amended Credit Agreement \| First Lien Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, term	5 years
Credit agreement, maximum borrowing capacity	$ 300.0
Amended Credit Agreement \| Series B Term Loan
Debt Instrument [Line Items]
Debt instrument, term	7 years
Credit agreement, maximum borrowing capacity	$ 1,200.0
Debt instrument, original discount	$ 12.0
Debt repayments			9.0	1,003.3
Debt instrument, maturity date	Apr. 22, 2029
Debt instrument, effective interest rate	3.42%
Previous Revolving Credit Facility \| First Lien Revolving Credit Facility
Debt Instrument [Line Items]
Credit agreement, maximum borrowing capacity	$ 260.0
Revolving Credit Facility \| SOFR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.00%
Revolving Credit Facility \| ABR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.00%
Revolving Credit Facility \| ABR \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.50%
Revolving Credit Facility \| ABR \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.00%
Revolving Credit Facility \| First Lien Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, term	5 years
Credit agreement, maximum borrowing capacity	$ 300.0
Debt repayments				165.0
Debt instrument, maturity date	Apr. 22, 2027
Debt voluntary repayment			$ 33.5	$ 165.0
Revolving Credit Facility \| First Lien Revolving Credit Facility \| LIBOR [Member] \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.50%
Revolving Credit Facility \| First Lien Revolving Credit Facility \| LIBOR [Member] \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Revolving Credit Facility \| Series B Term Loan \| SOFR \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	3.25%
Revolving Credit Facility \| Series B Term Loan \| SOFR \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	3.00%
Revolving Credit Facility \| Series B Term Loan \| ABR \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.25%
Revolving Credit Facility \| Series B Term Loan \| ABR \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%