Share-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands |
|
|
|
3 Months Ended |
Mar. 30, 2018 |
Apr. 28, 2017 |
Mar. 29, 2017 |
May 05, 2018 |
Apr. 29, 2017 |
| Disclosure of share-based compensation information under stock plans |
|
|
|
|
|
| Share-based compensation expense |
|
|
|
$ 3,958
|
$ 3,963
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Unrecognized compensation cost related to nonvested stock options |
|
|
|
$ 5,300
|
|
| Weighted average fair values of stock options granted during the period (in dollars per share) |
|
|
|
$ 5.89
|
$ 1.57
|
| Granted (in shares) |
431,371
|
|
1,283,175
|
|
|
| Employee Stock Purchase Plan |
|
|
|
|
|
| Disclosure of share-based compensation information under stock plans |
|
|
|
|
|
| Share-based compensation expense |
|
|
|
$ 93
|
$ 36
|
| Stock options |
|
|
|
|
|
| Disclosure of share-based compensation information under stock plans |
|
|
|
|
|
| Share-based compensation expense |
|
|
|
$ 695
|
609
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Weighted average period for recognition of unrecognized compensation cost (in years/months/days) |
|
|
|
1 year 7 months 17 days
|
|
| Stock awards or units |
|
|
|
|
|
| Disclosure of share-based compensation information under stock plans |
|
|
|
|
|
| Share-based compensation expense |
|
|
|
$ 3,170
|
$ 3,318
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Unrecognized compensation cost related to nonvested stock awards/units |
|
|
|
$ 34,800
|
|
| Weighted average period for recognition of unrecognized compensation cost (in years/months/days) |
|
|
|
1 year 7 months 17 days
|
|
| Number of Units |
|
|
|
|
|
| Granted (in shares) |
490,528
|
|
707,675
|
|
|
| Performance-based or market-based units |
|
|
|
|
|
| Number of Units |
|
|
|
|
|
| Granted (in shares) |
|
1,056,042
|
|
|
|
| Performance-based units |
|
|
|
|
|
| Number of Units |
|
|
|
|
|
| Nonvested at the beginning of the period (in shares) |
|
|
|
1,300,921
|
|
| Granted (in shares) |
|
|
|
0
|
|
| Vested (in shares) |
|
|
|
(79,125)
|
|
| Forfeited (in shares) |
|
|
|
(27,441)
|
|
| Nonvested at the end of the period (in shares) |
|
|
|
1,194,355
|
|
| Weighted Average Grant Date Fair Value |
|
|
|
|
|
| Nonvested at the beginning of the period (in dollars per share) |
|
|
|
$ 14.01
|
|
| Granted (in dollars per share) |
|
|
|
0.00
|
|
| Vested (in dollars per share) |
|
|
|
11.16
|
|
| Forfeited (in dollars per share) |
|
|
|
11.16
|
|
| Nonvested at the end of the period (in dollars per share) |
|
|
|
$ 14.27
|
|
| Performance units | Vesting, Tranche One |
|
|
|
|
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Vesting period (in years) |
|
|
|
1 year
|
|
| Performance units | Vesting, annual vesting periods after initial vesting period | Minimum |
|
|
|
|
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Vesting period (in years) |
|
|
|
2 years
|
|
| Performance units | Vesting, annual vesting periods after initial vesting period | Maximum |
|
|
|
|
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Vesting period (in years) |
|
|
|
3 years
|
|
| Target performance units |
|
|
|
|
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Vesting period (in years) |
|
|
|
3 years
|
|
| Target performance units | Minimum |
|
|
|
|
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Vesting rights based on the satisfaction of certain performance or market-based criteria (as a percentage) |
|
|
|
0.00%
|
|
| Target performance units | Maximum |
|
|
|
|
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Vesting rights based on the satisfaction of certain performance or market-based criteria (as a percentage) |
|
|
|
200.00%
|
|
| Market-based units |
|
|
|
|
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Vesting period (in years) |
|
|
|
3 years
|
|
| Period which award is subject to a market condition (in years) |
|
|
|
3 years
|
|
| Number of Units |
|
|
|
|
|
| Nonvested at the beginning of the period (in shares) |
|
|
|
388,477
|
|
| Granted (in shares) |
|
|
|
0
|
|
| Vested (in shares) |
|
|
|
0
|
|
| Forfeited (in shares) |
|
|
|
0
|
|
| Nonvested at the end of the period (in shares) |
|
|
|
388,477
|
|
| Weighted Average Grant Date Fair Value |
|
|
|
|
|
| Nonvested at the beginning of the period (in dollars per share) |
|
|
|
$ 12.28
|
|
| Granted (in dollars per share) |
|
|
|
0.00
|
|
| Vested (in dollars per share) |
|
|
|
0.00
|
|
| Forfeited (in dollars per share) |
|
|
|
0.00
|
|
| Nonvested at the end of the period (in dollars per share) |
|
|
|
$ 12.28
|
|
| Market-based units | Minimum |
|
|
|
|
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Vesting rights based on the satisfaction of certain performance or market-based criteria (as a percentage) |
|
|
|
0.00%
|
|
| Market-based units | Maximum |
|
|
|
|
|
| Share-Based Compensation, Additional Disclosures |
|
|
|
|
|
| Vesting rights based on the satisfaction of certain performance or market-based criteria (as a percentage) |
|
|
|
150.00%
|
|