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 | Year Ended | ||||||||||||||||||||
|
December 31,
|
September 26,
|
December 31,
|
December 31,
|
December 31,
|
|||||||||||||||||
| Cost of revenues | $ | 2.0 | $ | 1.7 | $ | 1.5 | $ | 6.8 | $ | 5.3 | |||||||||||
| Research and development | 2.5 | 2.2 | 1.7 | 8.7 | 6.3 | ||||||||||||||||
| Selling and marketing | 2.3 | 2.1 | 1.6 | 8.1 | 5.7 | ||||||||||||||||
| General and administrative | 6.0 | 5.1 | 4.1 | 22.2 | 15.0 | ||||||||||||||||
| Total share-based compensation expense | $ | 12.8 | $ | 11.1 | $ | 8.9 | $ | 45.8 | $ | 32.3 | |||||||||||
