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Long-term Debt - Additional Information (Details) - USD ($) $ in Millions				3 Months Ended		9 Months Ended
	Apr. 01, 2021	Jun. 12, 2020	Feb. 14, 2020	Jun. 30, 2021	Jun. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Debt Instrument [Line Items]
Debt instrument, description						On April 1, 2021, the Company completed a private offering of our Senior Secured Second Lien Notes (the “Notes”), for the purposes of, among other things, repayment and refinancing of a portion of the Company’s prior existing debt, reducing interest rate exposure and providing liquidity for financing of future growth initiatives.
Repayment of outstanding loan						$ 354.8	$ 187.1
Loss on extinguishment of debt				$ 11.9	$ 7.6	11.9	$ 7.6
Imputed interest						0.2
Peak Logix LLC
Debt Instrument [Line Items]
Earn-out payment period		5 years
Present value of non-contingent earn-out liability		$ 1.7
Commercial Paper
Debt Instrument [Line Items]
Payments of unsecured promissory note				$ 1.1
Commercial Paper \| Peak Logix LLC
Debt Instrument [Line Items]
Debt instrument, interest rate		6.00%
Unsecured promissory note		$ 1.0
Term Loan
Debt Instrument [Line Items]
Debt instrument, face amount			$ 155.0
Debt instrument, maturity period			2025-08
Payable in monthly installments						$ 1.9
Repayment of outstanding loan	$ 147.3
Term Loan \| LIBOR
Debt Instrument [Line Items]
Debt Instrument, variable rate						8.00%
Notes Payable \| Peak Logix LLC \| Non-Contingent Consideration
Debt Instrument [Line Items]
Earn-out payment period		5 years
Amount of minimum cash payments using a market participant discount rate						$ 1.7
Imputed interest						0.1
Notes Payable \| Peak Logix LLC \| Non-Contingent Consideration \| Minimum
Debt Instrument [Line Items]
Additional earn-out payment		$ 2.0
Notes Payable \| Peak Logix LLC \| Non-Contingent Consideration \| Other Liabilities
Debt Instrument [Line Items]
Present value of non-contingent earn-out liability						1.8
5.625% Senior Secured Second Lien Notes due 2026
Debt Instrument [Line Items]
Proceeds from sale of notes	$ 315.0
Debt instrument, interest rate	5.625%
Notes maturity date	Apr. 15, 2026
Outstanding borrowing						309.7
Original issue discount and deferred financing costs						$ 5.3
Effective interest rate						5.93%