Altimar Acquisition Registration of securities issued in business combination transactions

FAIR VALUE MEASUREMENTS - Schedule Of Fair Value Measurement Of Assets And Liabilities Based On Hierarchy (Detail)	Sep. 30, 2021 USD ($)
Investments held in the Trust Account \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	$ 345,011,697
Public Warrants \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities	9,070,433
Private Placement Warrants \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities	$ 10,572,537