The Company and Summary of Significant Accounting Policies - Concentrations of Risk (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
Sep. 30, 2025	Dec. 31, 2024
Customer Concentration Risk \| Gross Accounts Receivable \| Five Customers
Concentration Risk [Line Items]
Percentage of gross accounts receivable (as a percent)	83.00%	80.00%
Customer Concentration Risk \| Gross Accounts Receivable \| ESSDS
Concentration Risk [Line Items]
Percentage of gross accounts receivable (as a percent)	41.00%	39.00%
Customer Concentration Risk \| Gross Accounts Receivable \| ASD
Concentration Risk [Line Items]
Percentage of gross accounts receivable (as a percent)	16.00%	15.00%
Customer Concentration Risk \| Gross Accounts Receivable \| McKesson
Concentration Risk [Line Items]
Percentage of gross accounts receivable (as a percent)	12.00%	13.00%
Foreign exchange forward contracts \| Derivatives Not Designated as Hedging Instruments
Concentration Risk [Line Items]
Notional amount	$ 398.0	$ 461.2
Net (liability) asset fair value	(2.9)	(7.9)
Interest Rate Swap \| Derivatives Designated as Hedging Instruments
Concentration Risk [Line Items]
Notional amount	500.0	500.0
Net (liability) asset fair value	$ (0.4)	$ 1.0

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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