Goodwill (Details) $ in Millions	6 Months Ended
Dec. 29, 2018 USD ($)
Changes in goodwill
Balance at the beginning of the period	$ 336.3
Acquired Goodwill - RPC Photonics	33.9
Other	6.3
Currency translation adjustments	(5.4)
Balance at the end of the period	371.1
Network Enablement
Changes in goodwill
Balance at the beginning of the period	328.0
Acquired Goodwill - RPC Photonics	0.0
Other	6.3
Currency translation adjustments	(5.4)
Balance at the end of the period	328.9
Service Enablement
Changes in goodwill
Balance at the beginning of the period	0.0
Currency translation adjustments	0.0
Balance at the end of the period	0.0
Optical Security and Performance Products
Changes in goodwill
Balance at the beginning of the period	8.3
Acquired Goodwill - RPC Photonics	33.9
Currency translation adjustments	0.0
Balance at the end of the period	$ 42.2

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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