Aggregate number of common shares reserved for future issuance.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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Number of shares issued under share-based payment arrangement.

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Number of non-vested options outstanding.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Stock-Based Compensation Expense - Additional Information (Details) - USD ($) $ in Millions				6 Months Ended		12 Months Ended
	Jun. 02, 2022	Jan. 03, 2022	Jul. 28, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Mar. 08, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock issued (in shares)				27,631,479		27,366,746
Shares of common stock reserved				7,520,201		6,878,511
Total unrecognized expense related to unvested stock options				$ 8.0
Weighted average period for recognition of expenses				2 years 10 months 24 days
The Calhoun Vision, Inc. 2015 Equity Incentive Plan and the Calhoun Vision, Inc. 2006 Stock Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Intrinsic Value of Vested Options				$ 19.1		$ 14.7
Intrinsic Value of Outstanding Options				21.3		$ 14.7
Total Cash Received from the Exercise of Stock Options				0.6	$ 1.2
Total Fair Value Less Strike Price of Stock Options Exercised				$ 1.2	$ 3.1
Number of Options, Unvested				2,707,279		2,437,649
Total unrecognized expense related to unvested stock options				$ 21.0		$ 20.1
Weighted average period for recognition of expenses						3 years
2021 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock available for issuance			2,420,135
Common stock issued (in shares)			7,260,406				1,094,670
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum			4.00%
Weighted average period for recognition of expenses				2 years 10 months 24 days
2021 Equity Incentive Plan \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares of common stock reserved			4,569,530
2021 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock available for issuance			711,643
Shares of common stock reserved			1,452,081				273,667
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum			1.00%
2021 Employee Stock Purchase Plan \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum			85.00%
Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares of common stock reserved				585,448		640,479
Number of Options, Unvested				585,448
Restricted Stock Units (RSUs) [Member] \| Executive Officers and Non-Employee Directors [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-Based Compensation, Vesting period	1 year	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	61,231	19,196