Prior period amounts have been adjusted for comparability purposes because we no longer include an adjustment to reflect cash taxes.
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 | Six Months Ended | |||||||||||||||||||
| July 1, 2016 | April 1, 2016 | July 3, 2015 | July 1, 2016 | July 3, 2015 | ||||||||||||||||
| Cost of revenues | $ | 2.1 | $ | 1.9 | $ | 1.9 | $ | 4.0 | $ | 3.8 | ||||||||||
| Research and development | 2.9 | 2.5 | 2.5 | 5.4 | 4.8 | |||||||||||||||
| Selling and marketing | 2.5 | 2.1 | 2.3 | 4.6 | 4.5 | |||||||||||||||
| General and administrative | 8.6 | 5.1 | 7.4 | 13.7 | 12.3 | |||||||||||||||
| Total share-based compensation expense | $ | 16.1 | $ | 11.6 | $ | 14.1 | $ | 27.7 | $ | 25.4 | ||||||||||
