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)

v3.24.3

Noncontrolling Interests (Details) $ / shares in Units, $ in Millions		9 Months Ended
	Oct. 20, 2021 vote day $ / shares shares	Sep. 30, 2024 USD ($) vote shares	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Noncontrolling Interest [Line Items]
Share-based compensation arrangement by share-based payment award, fair value assumptions, exercise price (in dollars per share) \| $ / shares	$ 10.00
Debt instrument, convertible, threshold trading days for redemption \| day	3
Noncontrolling interest \| $		$ 1,574.9	$ 1,564.1	$ 1,517.9	$ 1,550.0	$ 1,543.3	$ 1,564.5	$ 1,588.0	$ 1,467.2
Noncontrolling Interests
Noncontrolling Interest [Line Items]
Noncontrolling interest \| $		$ 56.0	$ 56.3	$ 60.7	$ 65.5	$ 64.6	$ 66.0	$ 66.7	$ 69.0
IntermediateCo Class A common stock \| GSAH
Noncontrolling Interest [Line Items]
Percentage of voting shares	100.00%
IntermediateCo Class B common stock
Noncontrolling Interest [Line Items]
Shares issued (in shares) \| shares	1
Percentage of non-voting share	96.00%
Percentage of non-voting interests not attributable portion	4.00%	2.90%
Class B Common Stock
Noncontrolling Interest [Line Items]
Common stock, number of votes per common share \| vote	1	1
Common stock, convertible, conversion r.atio	1	1
Class B Common Stock \| Intermediate Co
Noncontrolling Interest [Line Items]
Business acquisition equity interest issued or issuable (in shares) \| shares	8,560,540	6,790,790
Class A Common Stock
Noncontrolling Interest [Line Items]
Common stock, number of votes per common share \| vote		1
Common stock, convertible, conversion r.atio	1

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