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Share-Based Compensation (Tables)
 12 Months Ended
Jun. 30, 2014
Schedule of Fair Value of Stock Option Grant Weighted-Average Assumptions

The fair value of each option grant is estimated on the date of the grant using the Black-Scholes option-pricing model with the following weighted-average assumptions used for grants for the fiscal year ended June 30:

 

     2014   2013   2012

Risk-free interest rate

    1.6%   0.8%   1.0%

Expected dividend yield

    0%   0%   0%

Expected lives (in years)

    4.1 - 4.7   4.2 - 4.7   4.2 - 4.6

Expected volatility

    40%   44%   44%
Schedule of Share-Based Compensation Arrangement by Share Based Payment Award Options Outstanding

A summary of activity is as follows:

 

     2014      2013      2012  
     Number
of
shares		     Weighted
average
exercise
price		      Number
of
shares		     Weighted
average
exercise
price		      Number
of
shares		     Weighted
average
exercise
price		  

Options outstanding at beginning of year

      14,434,970        21.75         15,233,281      $ 19.32         14,453,913      $ 18.22   

Options granted

      3,320,553        26.52         2,957,623        27.09         3,188,160        20.42   

Less:

               

Options exercised

      (3,122,427 )      19.44         (3,490,495 )      15.65         (1,852,245 )      11.94   

Options canceled or expired

      (394,913 )      24.30         (265,439 )      22.26         (556,547 )      21.48   
  

 

 

       

 

 

       

 

 

    

Options outstanding at end of year

      14,238,183        23.30         14,434,970        21.75         15,233,281        19.32   
  

 

 

       

 

 

       

 

 

    

Options exercisable at end of year

      7,149,155        21.90         7,480,472        20.51         8,397,678        18.01   

Options vested and expected to vest

      13,374,736        23.12         13,543,852        21.58         14,514,637        19.28   

Weighted average fair value of options granted during the year

        10.04           9.87           7.47   
Schedule of Share-Based Compensation Arrangement by Share Based Payment Award Options Outstanding and Option Exercisable

The following table summarizes information about stock options outstanding at June 30, 2014:

 

     Options outstanding      Options exercisable  

Range of

exercise

prices

    Number
outstanding
at
June 30,
2014		      Weighted
average
remaining
contractual
life (years)		      Weighted
average
exercise
price		      Number
exercisable
at
June 30,
2014		      Weighted
average
exercise
price		  

    $5.89 - 19.47

      4,750,203         5.85       $ 17.20         3,103,525       $ 16.44   

    20.01 - 26.49

      5,531,296         6.55         25.03         2,064,390         23.14   

    26.84 - 30.34

      3,929,684         7.09         28.16         1,975,740         29.17   

    30.53 - 37.73

      27,000         7.18         34.05         5,500         31.11   
  

 

 

           

 

 

     
     14,238,183         6.47            7,149,155         21.90   
  

 

 

           

 

 

     
Schedule of Share-Based Compensation Recognized in Consolidated Statements of Comprehensive Income

Share-based compensation expense recognized and included in the consolidated statements of comprehensive income for the fiscal years ended June 30, 2014, 2013 and 2012 was as follows:

 

     Years Ended June 30,  
(In thousands)    2014      2013      2012  

Cost of molecular diagnostic testing

    $ 833       $ 1,030       $ 1,158   

Cost of pharmaceutical and clinical services

      317         219         85   

Research and development expense

      5,429         3,246         3,350   

Selling, general, and administrative expense

      27,418         22,117         21,682   
  

 

 

     

 

 

     

 

 

  

Total share-based compensation expense

    $ 33,997       $ 26,612       $ 26,275   
  

 

 

     

 

 

     

 

 

  
Schedule of Unrecognized Share-Based Compensation Cost

The estimated unrecognized share-based compensation cost and related weighted average recognition period, aggregate intrinsic value of options outstanding, and aggregate intrinsic value of options that are fully vested is as follows:

 

(In thousands)    As of
June 30, 2014		  

Unrecognized share-based compensation cost

    $ 41,728   

Aggregate intrinsic value of options outstanding

    $ 222,451   

Aggregate intrinsic value of options fully vested

    $ 121,659   
Schedule of Intrinsic Value of Options Exercised

The total intrinsic value of options exercised during 2014, 2013 and 2012 was as follows:

 

     Years Ended June 30,  
(In thousands)    2014      2013      2012  

Total intrinsic value of options exercised

    $ 49,379       $ 51,785       $ 21,575   
Schedule of Shares Purchased and Compensation Expenses

Shares purchased under and compensation expense associated with the 1995 and 2012 Plans for the years reported are as follows:

 

     Years Ended June 30,  
(In thousands)    2014      2013      2012  

Shares purchased under the Plans

      169         149         161   

Plan compensation expense

    $ 1,317       $ 885       $ 892   
Employee Stock Purchase Plan
  
Schedule of Fair Value of Stock Option Grant Weighted-Average Assumptions

The fair value of shares issued under the Plan that was in effect for each period reported was calculated using the Black-Scholes option-pricing model using the following weighted-average assumptions:

 

     2014     2013     2012  

Risk-free interest rate

      0.1 %      0.1 %      0.1 % 

Expected dividend yield

      0 %      0 %      0 % 

Expected lives (in years)

      0.5        0.5        0.5   

Expected volatility

      56 %      37 %      30 %