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Stock-Based Compensation (Tables)
 9 Months Ended
Apr. 01, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of the impact on the entity's results of operations of recording stock-based compensation by function
The impact on the Company’s results of operations of recording stock-based compensation by function for the three and nine months ended April 1, 2017 and April 2, 2016 was as follows (in millions):
 
Three Months Ended
 
Nine Months Ended
 
April 1, 2017
 
April 2, 2016
 
April 1, 2017
 
April 2, 2016
Cost of sales
$
0.7

 
$
1.1

 
$
2.7

 
$
3.7

Research and development
1.3

 
2.0

 
4.6

 
6.7

Selling, general and administrative
6.1

 
6.0

 
18.6

 
23.6

Stock-based compensation
$
8.1

 
$
9.1

 
$
25.9

 
$
34.0
Schedule of assumptions used to estimate the fair value of new MSU awards on the date of grant
The Company estimates the fair value of the new MSUs granted using a Monte Carlo simulation based on the assumptions described below for the following periods:
 
Nine Months Ended
 
April 1, 2017
 
April 2, 2016
Volatility of common stock
35.0
%
 
33.6
%
Average volatility of peer companies
54.7
%
 
52.8
%
Average correlation coefficient of peer companies
0.1856

 
0.1047

Risk-free interest rate
0.8
%
 
0.8
%