Revenue Recognition - Schedule of Percentage of Total Net Revenue Attributable to Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Dec. 31, 2022	Jan. 01, 2022
Concentration Risk
Net Revenue	$ 506.0	$ 446.7	$ 1,012.8	$ 895.1
Product offerings | OpComms
Concentration Risk
Net Revenue	$ 448.8	$ 397.4	$ 902.2	$ 803.4
Product offerings | OpComms | Revenue
Concentration Risk
Concentration risk (as a percent)	88.70%	89.00%	89.10%	89.80%
Product offerings | Lasers
Concentration Risk
Net Revenue		$ 49.3		$ 91.7
Product offerings | Lasers | Revenue
Concentration Risk
Concentration risk (as a percent)	11.30%	11.00%	10.90%	10.20%
Telecom and Datacom | Product offerings | OpComms
Concentration Risk
Net Revenue	$ 384.2	$ 267.1	$ 744.3	$ 483.1
Telecom and Datacom | Product offerings | OpComms | Revenue
Concentration Risk
Concentration risk (as a percent)	75.90%	59.80%	73.50%	54.00%
Industrial and Consumer | Product offerings | OpComms
Concentration Risk
Net Revenue	$ 64.6	$ 130.3	$ 157.9	$ 320.3
Industrial and Consumer | Product offerings | OpComms | Revenue
Concentration Risk
Concentration risk (as a percent)	12.80%	29.20%	15.60%	35.80%