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Commitments and Contingencies (Tables)
 6 Months Ended
Jan. 02, 2016
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 2016 and fiscal 2015 (in millions):
 
Three Months Ended
 
Six Months Ended
 
January 2, 2016
 
December 27, 2014
 
January 2, 2016
 
December 27, 2014
Balance as of beginning of period
$
4.0

 
$
3.6

 
$
3.7

 
$
3.6

Provision for warranty
0.8

 
1.0

 
1.7

 
1.9

Utilization of reserve
(0.7
)
 
(1.2
)
 
(1.5
)
 
(2.1
)
Adjustments related to pre-existing warranties (including changes in estimates)
0.2

 
0.1

 
0.4

 
0.1

Balance as of end of period
$
4.3


$
3.5

 
$
4.3

 
$
3.5