Long-Term Debt (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended	9 Months Ended	12 Months Ended
	Jun. 30, 2022	Feb. 25, 2021	Sep. 30, 2022	Sep. 30, 2022	Dec. 31, 2021
Long-Term Debt (Details) [Line Items]
Credit agreement, description		On February 25, 2021, Atlas Intermediate, as the borrower, entered into two new credit facilities consisting of (i) a $432.0 million senior secured term loan at closing and, subject to the satisfaction of certain terms and conditions, a committed delayed draw term loan facility to be used for future acquisitions, within 18 month of February 25, 2021 and subject to certain conditions, in an aggregate principal amount of up to $75.0 million, of which $61 million has been used ($26.0 million in connection with the acquisitions during the first quarter of 2022) and $14 million remains available as of September 30, 2022, and an uncommitted incremental term loan facility that may be incurred after closing (the “Term Loan”) pursuant to a Credit Agreement dated February 25, 2021, by and among Holdings, Atlas Intermediate, Wilmington Trust, National Association, as administrative agent and collateral agent, and certain lenders thereto, including certain Blackstone entities, which may include, Blackstone Alternative Credit Advisors LP, and its managed funds and accounts, and its affiliates, Blackstone Holdings Finance Co.
Term loan agreement, description		L.L.C. and its affiliates, and/or certain other of their respective funds, accounts, clients managed, advised or sub-advised, or any of their respective affiliates (the “Term Loan Agreement”) and (ii) a $40.0 million senior secured revolver which aggregate principal amount may be increased, subject to the satisfaction of certain terms and conditions, including obtaining commitments therefor, by up to $20.0 million (the “Revolver”) pursuant to the Credit Agreement dated February 25, 2021, by and among Holdings, Intermediate, JPMorgan Chase Bank, N.A., as administrative agent, swingline lender, issuing bank, lender, sole bookrunner and sole lead arranger (the “ABL Revolver Agreement,” and together with the Term Loan Agreement, collectively the “Credit Agreements”).		In addition, the term loan requires an additional 2.0% interest that can be made at the option of the Company in cash or payment-in-kind (PIK). The interest rates under the ABL Revolver Agreement will be equal to either (i) the Adjusted LIBO Rate (as defined in the ABL Revolver Agreement), plus 2.50%, or (ii) the ABR (as defined in the ABL Revolver Agreement), plus 1.50%.
Investment agreements			$ 20.0	$ 20.0
Aggregate principal amount			60.0	$ 60.0
Credit facility interest terms, description	In June 2022, the Company entered into a deferred premium interest rate cap which limits the Adjusted LIBOR rate noted above to 3%. The interest rate cap hedges $500.0 million of debt and has a three-year term and will be paid for monthly at an annual rate of 0.69% or approximately $10.5 million over the three-year period. This interest rate cap limits the overall interest rate on the Term Loan from exceeding 11.2% (Adjusted LIBOR of 3% maximum plus 5.50% plus the additional 2.0% cash or payment-in-kind plus the 0.69% cost of the interest rate cap). The Company uses interest rate related derivative instruments to manage its exposure to changes in interest rates on its variable-rate debt instruments. The Company does not speculate using derivative instruments.
Amortization of principal percentage					1.00%
Amortization of interest amounts percentage					2.50%
Annual amortization percentage				1.00%
Amortization and expects percentage				1.00%
Fair value of interest rate cap			10.5	$ 10.5
Other current liability			3.4	3.4
Other long-term liability			5.5	$ 5.5
Term Loan Agreement [Member]
Long-Term Debt (Details) [Line Items]
Credit agreement, description				Interest on any outstanding borrowings is payable monthly under the ABL Revolver Agreement, quarterly under the Term Loan Agreement or, in each case, at the end of the applicable interest period in arrears. The cash interest rates under the Term Loan Agreement will be equal to either (i) the Adjusted LIBO Rate (as defined in the Term Loan Agreement), plus 5.50%, or (ii) an Alternate Base Rate (as defined in the Term Loan Agreement), plus 4.50%.
Credit facility interest terms, description				The Term Loan Agreement contains a financial covenant which requires Holdings, Atlas Intermediate and all of their direct and indirect subsidiaries on a consolidated basis to maintain a Total Net Leverage Ratio (as defined in each Credit Agreement) tested on a quarterly basis that does not exceed (i) 8.25 to 1.00 with respect to the fiscal quarters ending on April 2, 2021 and July 2, 2021, (ii) 8.00 to 1.00 for the fiscal quarters ending October 1, 2021 and December 31, 2021, (iii) 7.50 to 1.00 for the fiscal quarters ending April 1, 2022 and July 1, 2022, (iv) 7.25 to 1.00 for the fiscal quarters ending September 30, 2022 and December 30, 2022, (v) 7.00 to 1.00 for the fiscal quarters ending March 31, 2023 and June 30, 2023, (vi) 6.75 to 1.00 for the fiscal quarters ending September 29, 2023 and December 29, 2023, and (vii) 6.50 to 1.00 for March 29, 2024 and each fiscal quarter ending thereafter.
ABL Revolver Agreement [Member]
Long-Term Debt (Details) [Line Items]
Maturity date description				The ABL Revolver Agreement contains a “springing” financial covenant which requires Holdings, Intermediate and all their direct and indirect subsidiaries on a consolidated basis to maintain a Fixed Charge Coverage Ratio (as defined in the ABL Revolver Agreement) of no less than 1.10 to 1.00 when the outstanding principal amount of loans under the Revolver exceeds $0 or the aggregate exposure for letters of credit under the Revolver exceeds $5.0 million.
OCI [Member]
Long-Term Debt (Details) [Line Items]
Gain on interest rate cap			9.3	$ 9.3
OCI [Member] | Maximum [Member]
Long-Term Debt (Details) [Line Items]
Fair value of interest rate cap			$ 9.3	$ 9.3