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
- Nature of Business and Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Noncontrolling Interests (Details)

v3.22.2.2

Noncontrolling Interests (Details) - USD ($) $ / shares in Units, $ in Millions		9 Months Ended
	Oct. 20, 2021	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Noncontrolling Interest [Line Items]
Share-based compensation arrangement by share-based payment award, fair value assumptions, exercise price (in dollars per share)	$ 10.00
Noncontrolling interest		$ 1,575.0	$ 1,658.9	$ 1,757.2	$ 1,784.0	$ (899.0)	$ (839.5)	$ (792.2)	$ (733.4)
Noncontrolling Interests
Noncontrolling Interest [Line Items]
Noncontrolling interest		$ 73.6	$ 78.7	$ 88.0	$ 90.8	$ 2.1	$ 2.1	$ 2.2	$ 2.2
IntermediateCo Class B common stock
Noncontrolling Interest [Line Items]
Shares issued (in shares)	1
Percentage of non-voting share	96.00%
Percentage of non-voting interests not attributable portion	4.00%	3.90%
IntermediateCo Class A common stock \| GSAH
Noncontrolling Interest [Line Items]
Percentage of voting shares	100.00%
Class B Common Stock \| GSAH
Noncontrolling Interest [Line Items]
Business acquisition equity interest issued or issuable (in shares)	8,560,540
Class B Common Stock \| Intermediate Co
Noncontrolling Interest [Line Items]
Business acquisition equity interest issued or issuable (in shares)	8,560,540	8,040,540

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