For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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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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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Revenue - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Revenue - Narrative (Details) - USD ($) $ in Millions	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Remaining performance obligation	$ 97.9		$ 97.9
Contract liability	$ 132.4		132.4		$ 114.8
Revenue recognized			$ 71.6	$ 53.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-06-29
Disaggregation of Revenue [Line Items]
Expected timing of satisfaction	12 months		12 months
Clear Aligner Treatment Plans
Disaggregation of Revenue [Line Items]
Remaining performance obligation	$ 68.1		$ 68.1
Revenue Benchmark \| Customer Concentration Risk \| Largest customer
Disaggregation of Revenue [Line Items]
Concentration risk percentage	0.00%	12.00%	0.00%	11.00%