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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($) $ in Millions			3 Months Ended		12 Months Ended
		Mar. 15, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2022
Allocated share-based compensation expense			$ 78.0	$ 76.0
Cost of revenue
Allocated share-based compensation expense			5.2	5.4
Research and Development
Allocated share-based compensation expense	[1]		55.4	52.9
Research and Development | President
Allocated share-based compensation expense		$ (6.7)			$ 4.4
Sales and marketing
Allocated share-based compensation expense			5.1	5.5
General and administrative
Allocated share-based compensation expense			$ 12.3	$ 12.2
[1] On March 15, 2023, the Company's President resigned, resulting in the reversal of $6.7 million in stock-based compensation expense. Of the total amount reversed, $4.4 million related to expense recognized prior to January 1, 2023.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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