Goodwill (Details) $ in Millions	9 Months Ended
	Apr. 01, 2023 USD ($)
Changes in goodwill
Balance at the beginning of the period	$ 387.6
Acquisition	60.0
Measurement period adjustment	(0.5)
Currency translation adjustments	4.8
Balance at the end of the period	451.9
Network Enablement
Changes in goodwill
Balance at the beginning of the period	331.6
Acquisition	60.0
Measurement period adjustment	(0.5)
Currency translation adjustments	3.6
Balance at the end of the period	394.7
Service Enablement
Changes in goodwill
Balance at the beginning of the period	13.8
Acquisition	0.0
Measurement period adjustment	0.0
Currency translation adjustments	1.2
Balance at the end of the period	15.0
Optical Security and Performance Products
Changes in goodwill
Balance at the beginning of the period	42.2
Acquisition	0.0
Measurement period adjustment	0.0
Currency translation adjustments	0.0
Balance at the end of the period	$ 42.2