Mirion Technologies, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Details

Description of Organization and Business Operations - Additional Information (Detail)

v3.20.2

Description of Organization and Business Operations - Additional Information (Detail) - USD ($)			9 Months Ended
	Jul. 02, 2020	Jun. 30, 2020	Sep. 30, 2020
Organization And Business Operations [Line Items]
Deposit to trust account		$ 750,000,000
Percentage of public shares required to repurchase if business combination is not completed within specified period			100.00%
Balance in trust account			$ 750,055,518
Accrued dividends			$ 3,758
Percentage of fair market value to that of balance in the trust account			80.00%
Interest to pay dissolution expenses			$ 100,000
Period from closing of public offering to complete business combination			24 months
Asset Held in Trust [Member]
Organization And Business Operations [Line Items]
Accrued dividends			$ 3,758
IPO [Member]
Organization And Business Operations [Line Items]
Shares issued during the period,shares	75,000,000
Underwriter Option [Member] \| IPO [Member]
Organization And Business Operations [Line Items]
Shares issued during the period,shares	5,000,000
Maximum [Member]
Organization And Business Operations [Line Items]
Payment of deferred underwriting commissions			$ 5,000,001

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