XML 65 R54.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill (Details) - USD ($)
 3 Months Ended 9 Months Ended
Jul. 01, 2017
Mar. 31, 2018
Changes in goodwill    
Balance at the beginning of the period   $ 151,600,000
Acquisitions   189,700,000
Currency translation adjustments   2,900,000
Balance at the end of the period $ 151,600,000 344,200,000
Network Enablement    
Changes in goodwill    
Balance at the beginning of the period   143,300,000
Acquisitions   189,700,000
Currency translation adjustments   2,900,000
Balance at the end of the period 143,300,000 335,900,000
Goodwill impairment 0  
Optical Security and Performance Products    
Changes in goodwill    
Balance at the beginning of the period   8,300,000
Acquisitions   0
Currency translation adjustments   0
Balance at the end of the period 8,300,000 $ 8,300,000
Goodwill impairment $ 0