Share-based Compensation Expense - Narrative (Details) $ in Millions |
9 Months Ended |
---|---|
Oct. 02, 2016
USD ($)
| |
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |
Unrecognized compensation cost related to stock options, restricted stock, and ESPP shares granted to date | $ 203.2 |
Weighted-average period of unrecognized compensation cost related to stock options, restricted stock, and ESPP shares granted to date | 2 years 5 months |