Stock-based Compensation (Restricted Stock Units) (Details) - Restricted stock units - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended | |
|---|---|---|
Jun. 30, 2018 |
Jul. 01, 2017 |
|
| Stock-based Compensation Arrangements [Line Items] | ||
| Vesting period | 3 years | |
| Stock-based Compensation, Nonvested, Shares (in 000's) [Roll Forward] | ||
| Granted (in shares) | 15 | |
| Vested (in shares) | (141) | |
| Forfeited (in shares) | (3) | |
| Outstanding, ending (in shares) | 232 | 361 |
| Stock-based Compensation, Nonvested, Weighted Average Grant Date Fair Value (Per Share) [Roll Forward] | ||
| Granted (in dollars per share) | $ 2.22 | |
| Vested (in dollars per share) | 11.33 | |
| Forfeited (in dollars per share) | 9.37 | |
| Outstanding, ending (in dollars per share) | $ 8.23 | $ 9.70 |
| Total fair value of shares vested | $ 332 | $ 1,894 |
| Total unrecognized pre-tax stock-based compensation expense related to non-vested shares | $ 1,500 | |
| Weighted-average period of recognition | 1 year 7 months | |