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

Quarterly report pursuant to Section 13 or 15(d)

Loss Per Share - Reconciliation of Numerator and Denominator (Details)

Loss Per Share - Reconciliation of Numerator and Denominator (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net loss attributable to Mirion Technologies, Inc. (Successor) / Mirion Technologies (TopCo), Ltd. (Predecessor) shareholders	$ (58.6)	$ (53.9)	$ (76.3)	$ (94.6)
Weighted average common shares outstanding — basic (in shares)	180,992,000	6,621,000	180,884,000	6,596,000
Weighted average common shares outstanding — diluted (in shares)	180,992,000	6,621,000	180,884,000	6,596,000
Net loss per common share attributable to Mirion Technologies, Inc. (Successor) / Mirion Technologies (TopCo), Ltd. (Predecessor) stockholders — basic (in dollars per share)	$ (0.32)	$ (8.14)	$ (0.42)	$ (14.34)
Net loss per common share attributable to Mirion Technologies, Inc. (Successor) / Mirion Technologies (TopCo), Ltd. (Predecessor) stockholders — diluted (in dollars per share)	$ (0.32)	$ (8.14)	$ (0.42)	$ (14.34)
Share-based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Anti-dilutive employee share-based awards, excluded	933,000	217,000	938,000	242,000

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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