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Commitments and Contingencies (Tables)
 9 Months Ended
Apr. 02, 2016
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future minimum annual lease payments under non-cancellable operating leases
As of April 2, 2016 the future minimum annual lease payments under non-cancellable operating leases were as follows (in millions):
Remainder of 2016
$
1.7

2017
6.8

2018
5.6

2019
3.9

2020
2.8

Thereafter
5.7

Total minimum operating lease payments
$
26.5
Schedule of changes in the entity's warranty reserve
The following table presents the changes in our warranty reserve during the three and nine months ended April 2, 2016 and March 28, 2015 (in millions):
 
Three Months Ended
 
Nine Months Ended
 
April 2, 2016
 
March 28, 2015
 
April 2, 2016
 
March 28, 2015
Balance as of beginning of period
$
3.1

 
$
2.0

 
$
2.8

 
$
2.7

Provision for warranty
0.8

 
0.8

 
2.5

 
2.3

Utilization of reserve
(0.8
)
 
(0.7
)
 
(2.3
)
 
(2.8
)
Adjustments related to pre-existing warranties (including changes in estimates)
(1.3
)
 
(0.3
)
 
(1.2
)
 
(0.4
)
Balance as of end of period
$
1.8

 
$
1.8

 
$
1.8

 
$
1.8