Commitments and Contingencies - Schedule of Changes in Warranty Reserve (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2022	Jan. 01, 2022	Dec. 31, 2022	Jan. 01, 2022
Changes in warranty reserve
Balance as of beginning of period	$ 10.1	$ 5.1	$ 10.0	$ 5.0
Warranties assumed in NeoPhotonics merger	0.0	0.0	0.7	0.0
Provision for warranty	2.8	3.8	4.3	5.5
Utilization of reserve	(4.5)	(0.3)	(6.6)	(1.9)
Balance as of end of period	$ 8.4	$ 8.6	$ 8.4	$ 8.6

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of increase in the standard and extended product warranty accrual from a business acquisition.

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-Publisher FASB
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- Definition

Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty.

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- Definition

Amount of increase in the standard and extended product warranty accrual from warranties issued.

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