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Goodwill (Tables)
 6 Months Ended
Dec. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of changes in goodwill
The following table presents the changes in goodwill allocated to the Company’s reportable segments (in millions):
 
Network
Enablement 
 
Optical Security
and Performance
Products
 
Total
Balance as of July 1, 2017
$
143.3

 
$
8.3

 
$
151.6

Goodwill - Trilithic (1)
17.8

 
—

 
17.8

Currency translation adjustments
1.3

 
—

 
1.3

Balance as of December 30, 2017
$
162.4

 
$
8.3

 
$
170.7


(1) See “Note 5. Mergers and Acquisitions” of the Notes to Consolidated Financial Statements for detail.