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Commitments and Contingencies (Tables)
 9 Months Ended
Mar. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of changes in the entity's warranty reserve
The following table presents the changes in the Company’s warranty reserve during fiscal 2018 and fiscal 2017 (in millions):
 
Three Months Ended
 
Nine Months Ended
 
March 31, 2018
 
April 1, 2017
 
March 31, 2018
 
April 1, 2017
Balance as of beginning of period
$
6.8

 
$
5.3

 
$
5.8

 
$
4.9

Provision for warranty
0.8

 
1.3

 
3.0

 
4.5

Utilization of reserve
(0.6
)
 
(0.8
)
 
(4.1
)
 
(2.8
)
Adjustments related to pre-existing warranties (including changes in estimates)
0.2

 
(0.3
)
 
2.2

 
(1.1
)
Acquisition related (1)
1.0

 
—

 
1.3

 
—

Balance as of end of period
$
8.2


$
5.5

 
$
8.2

 
$
5.5


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