XML 44 R33.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stock-Based Compensation and Stock Plans (Tables)
 6 Months Ended
Dec. 30, 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 our results of operations of recording stock-based compensation by function for the three and six months ended December 30, 2017 and December 31, 2016 was as follows (in millions):

Three Months Ended

Six Months Ended

December 30, 2017

December 31, 2016

December 30, 2017

December 31, 2016
Cost of sales
$
4.4


$
2.1


$
7.1


$
4.1

Research and development
3.8


3.0


6.9


5.8

Selling, general and administrative
6.6

 
4.0

 
10.1

 
7.0

 
$
14.8

 
$
9.1

 
$
24.1

 
$
16.9
Schedule of stock options activities
The following table summarizes our awards activity for the six months ended December 30, 2017 (in millions, except per share amounts):
 
Restricted Stock Units
 
Restricted Stock Awards
 
Performance Stock Units
 
Number of Shares
 
Weighted-Average Grant Date Fair Value per Share
 
Number of Shares
 
Weighted-Average Grant Date Fair Value per Share
 
Number of Shares
 
Weighted-Average Grant Date Fair Value per Share
Unvested balance as of beginning of period
1.9

 
$
28.04

 
0.3

 
$
32.51

 
—

 
$
—

Granted
1.0

 
53.13

 
—

 
—

 
0.1

 
52.00

Exercised / Vested
(0.7
)
 
26.23

 
(0.1
)
 
32.51

 
—

 
—

Canceled
(0.2
)
 
38.64

 
—

 
—

 
—

 
—

Unvested balance as of end of period
2.0

 
$
37.56

 
0.2

 
$
32.51

 
0.1

 
$
52.00
Schedule of awards available for grant
A summary of awards available for grant is as follows (in millions):
 
Awards Available for Grant
Balance as of beginning of period
6.6

Granted
(1.1
)
Canceled
0.2

Balance as of end of period
5.7
Schedule of ESPP valuation assumptions
We estimate the fair value of the 2015 Purchase Plan shares on the date of grant using the Black-Scholes option-pricing model. The assumptions used to estimate the fair value of the 2015 Purchase Plan shares to be issued during the three and six months ended December 30, 2017 and December 31, 2016 were as follows:
 
December 30, 2017
 
December 31, 2016
Expected term (years)
0.5

 
0.5

Expected volatility
49.9
%
 
46.0
%
Risk-free interest rate
1.42
%
 
0.62
%
Dividend yield
—
%
 
—
%