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Stock-Based Compensation (Tables)
 12 Months Ended
Jun. 28, 2014
Stock-Based Compensation  
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 fiscal 2014, 2013 and 2012 was as follows (in millions):

 
   Years Ended  
 
   June 28,
2014		   June 29,
2013		   June 30,
2012		  

Cost of sales

   $ 9.9   $ 9.3   $ 7.7  

Research and development

     15.6     13.5     11.6  

Selling, general and administrative

     38.6     33.5     29.3  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

 

   $ 64.1   $ 56.3   $ 48.6  
               
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Schedule of stock options activities

The following is a summary of stock option activities (amount in millions except per share amounts):

 
   Options Outstanding  
 
   Number
Of Shares		   Weighted-Average
Exercise Price		  

Balance as of July 2, 2011

     10.9     10.42  

Exercised

     (1.4 )   5.84  

Forfeited

     (0.6 )   7.03  

Canceled

     (0.7 )   26.32  
             
​ ​ ​ ​ ​ ​ ​ ​

Balance as of June 30, 2012

     8.2     10.02  

Exercised

     (2.0 )   7.64  

Forfeited

     (0.2 )   10.86  

Canceled

     (0.4 )   15.69  
             
​ ​ ​ ​ ​ ​ ​ ​

Balance as of June 29, 2013

     5.6     10.56  

Exercised

     (1.6 )   7.91  

Canceled

     (0.5 )   22.24  
             
​ ​ ​ ​ ​ ​ ​ ​

Balance as of June 28, 2014

     3.5     10.13  
             
​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​
             
Schedule of significant ranges of outstanding and exercisable options

The following table summarizes significant ranges of outstanding and exercisable options as of June 28, 2014:

 
   Options Outstanding   Options Exercisable  
Range of Exercise Prices
  Number of
Shares		   Weighted
Average
Remaining
Contractual
Life
(in years)		   Weighted
Average
Exercise
Price		   Aggregate
Intrinsic
Value
(in millions)		   Number of
Shares		   Weighted
Average
Remaining
Contractual
Life
(in years)		   Weighted
Average
Exercise
Price		   Aggregate
Intrinsic
Value
(in millions)		  

$0.00 - 10.00

     1,344,691     2.9   $ 5.19   $ 9.6     1,344,691     2.9   $ 5.19   $ 9.6  

10.01 - 20.00

     1,925,558     3.9     11.84     2.7     1,851,993     3.9     11.71     2.7  

20.01 - 30.00

     263,250     4.8     22.82     —     225,750     4.7     23.10     —  

30.01 - 100.00

     29     —     68.00     —     29     —     68.00     —  
                                           
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

 

     3,533,528     3.6     10.13   $ 12.3     3,422,463     3.6     9.90   $ 12.3  
                                           
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                                           
Schedule of employee stock purchase plan activity

The following table summarizes the shares issued and the fair market value at purchase date, pursuant to the Company's ESPP during the year ended June 28, 2014:

Purchase date
  January 31,
2014		   July 31,
2013		  

Shares issued

     423,633     369,926  

Fair market value at purchase date

   $ 13.29   $ 14.67  
Schedule of changes in nonvested Full Value Awards

A summary of the status of the Company's non-vested Full Value Awards as of June 28, 2014 and changes during the same period is presented below (amount in millions, except per share amounts):

 
   Full Value Awards  
 
   Performance
shares		   Non-performance
shares		   Total number
of shares		   Weighted-average
grant-dated
fair value		  

Non-vested at July 2, 2011

     —     6.0     6.0   $ 10.49  

Awards granted

     0.5     4.5     5.0     12.31  

Awards vested

     —     (3.0 )   (3.0 )   9.01  

Awards forfeited

     —     (0.8 )   (0.8 )   11.67  
                     
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Non-vested at June 30, 2012

     0.5     6.7     7.2     12.37  

Awards granted

     0.7     5.8     6.5     12.40  

Awards vested

     (0.1 )   (3.6 )   (3.7 )   11.74  

Awards forfeited

     (0.1 )   (0.9 )   (1.0 )   12.58  
                     
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Non-vested at June 29, 2013

     1.0     8.0     9.0     12.61  

Awards granted

     0.6     5.4     6.0     13.42  

Awards vested

     (0.4 )   (4.1 )   (4.5 )   12.26  

Awards forfeited

     (0.1 )   (1.0 )   (1.1 )   12.94  
                     
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Non-vested at June 28, 2014

     1.1     8.3     9.4     13.19  
                     
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                     
Monte Carlo simulation
  
Stock-Based Compensation  
Schedule of assumptions used to estimate the fair value of awards on the date of grant

The Company estimates the fair value of the MSUs on the date of grant using a Monte Carlo simulation with the following assumptions:

 
   Years Ended  
 
   June 28,
2014		   June 29,
2013		   June 30,
2012		  

Volatility of common stock

     53.9 %   57.5 %   68.7 %

Average volatility of peer companies

     58.6 %   58.3 %   68.4 %

Average correlation coefficient of peer companies

     0.292     0.3208     0.3383  

Risk-free interest rate

     0.8 %   0.4 %   0.7 %
BSM
  
Stock-Based Compensation  
Schedule of assumptions used to estimate the fair value of awards on the date of grant

The fair value is estimated on the date of grant using the BSM option valuation model with the following weighted-average assumptions:

 
   Employee Stock
Purchase Plans		  
 
   2014   2013   2012  

Expected term (in years)

     0.5     0.5     0.5  

Expected volatility

     39.5 %   53.9 %   52.5 %

Risk-free interest rate

     0.1 %   0.1 %   0.2 %