Employee Benefit Plans (Weighted Average Grant Date Fair Value) (Details) - $ / shares |
12 Months Ended | ||
---|---|---|---|
Jan. 03, 2020 |
Dec. 28, 2018 |
Dec. 29, 2017 |
|
Stock Options | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Weighted average grant-date fair value (in dollars per share) | $ 8.19 | $ 9.07 | $ 11.42 |
ESPP | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Weighted average grant-date fair value (in dollars per share) | $ 4.85 | $ 6.40 | $ 6.00 |