Goodwill (Details) $ in Millions	3 Months Ended
	Sep. 30, 2023 USD ($)
Changes in goodwill
Balance at the beginning of the period	$ 455.2
Currency translation and other adjustments	(5.6)
Balance at the end of the period	449.6
Network Enablement
Changes in goodwill
Balance at the beginning of the period	398.0
Currency translation and other adjustments	(4.0)
Balance at the end of the period	394.0
Goodwill reclass	1.3
Service Enablement
Changes in goodwill
Balance at the beginning of the period	15.0
Currency translation and other adjustments	(1.6)
Balance at the end of the period	13.4
Goodwill reclass	(1.3)
Optical Security and Performance Products
Changes in goodwill
Balance at the beginning of the period	42.2
Currency translation and other adjustments	0.0
Balance at the end of the period	$ 42.2