Total share-based compensation expense, related to the Company’s stock options, restricted stock units, stock grant awards and employee stock purchase plan is included below.
| Quarter Ended | Nine Months Ended | ||||||||||||||||||||||
|
September
|
June 30,
|
September
|
September
|
September
|
|||||||||||||||||||
| Cost of revenue | $ | 1.4 | $ | 1.5 | $ | 2.0 | $ | 4.4 | $ | 6.0 | |||||||||||||
| Research and development | 3.2 | 3.5 | 2.9 | 9.6 | 8.3 | ||||||||||||||||||
| Selling and marketing | 2.8 | 3.2 | 2.6 | 8.8 | 7.2 | ||||||||||||||||||
| General and administrative | 9.4 | 12.6 | 6.7 | 29.9 | 20.4 | ||||||||||||||||||
| Total share-based compensation expense | $ | 16.8 | $ | 20.8 | $ | 14.2 | $ | 52.7 | $ | 41.9 | |||||||||||||
