Stock-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | Mar. 01, 2020 | Mar. 01, 2019 | Aug. 23, 2017 | Jun. 30, 2017 | Mar. 31, 2018 | Aug. 31, 2017 | May 31, 2017 | Aug. 31, 2016 | May 31, 2016 | Aug. 31, 2015 | Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2018 | Mar. 31, 2017 | Jun. 30, 2017 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Expired unexercised, number of shares | | | | | | | | | | | | | | 474,443 | |
Exercisable stock options | | | | | | | | | | | | | 105,982 | 154,803 | |
Stock-based compensation charge (reversal), net | | | | | | | | | | | $ 575 | $ 621 | $ 2,010 | $ (68) | |
Share-based compensation, number of shares exercised | | | | | | | | | | | | | | 68,740 | |
Number of shares, forfeitures | | | | | | | | | | | | | 37,333 | | |
Number of shares, exercised | | | | | | | | | | | | 0 | | | |
Deferred tax asset | | | | $ 900 | $ 700 | | | | | | $ 700 | | $ 700 | | $ 900 |
Common stock, shares issued | | | | 56,369,737 | 56,855,187 | | | | | | 56,855,187 | | 56,855,187 | | 56,369,737 |
Options exercise price range, lower limit | | | | | | | | | | | | | $ 7.35 | | |
Options exercise price range, upper limit | | | | | | | | | | | | | 24.46 | | |
August 2017 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Performance target, per share | | | | | | | | | | | | | $ 23 | | |
Percentage of increase target price | | | | | | | | | | | | | 35.00% | | |
Closing price, per share | | | $ 9.38 | | | | | | | | | | | | |
Restricted Stock [Member] | Forecast [Member] | Chief Financial Officer [Member] | Tranche One [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Vested number of shares of restricted stock | | 11,409 | | | | | | | | | | | | | |
Restricted Stock [Member] | Forecast [Member] | Chief Financial Officer [Member] | Tranche Two [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Vested number of shares of restricted stock | 11,408 | | | | | | | | | | | | | | |
Stock Options [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Expired unexercised, number of shares | | | | | | | | | | | | | | 474,443 | |
Granted, Number of shares | | | | | | | | | | | 0 | | | | |
Unrecognized compensation cost | | | | | $ 0 | | | | | | $ 0 | | $ 0 | | |
Stock Options [Member] | Employees [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Number of shares, forfeitures | | | | | | | | | | | | | 37,333 | 0 | |
Restricted Stock [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Granted, Number of shares | | | | | 22,817 | 588,594 | | 387,000 | | | | | | | |
Fair value of restricted stock vested | | | | | | | | | | | | | $ 500 | $ 700 | |
Unrecognized compensation cost | | | | | $ 4,000 | | | | | | 4,000 | | 4,000 | | |
Cumulative unrecorded stock-based compensation charge | | | | | | | | | | | | | $ 3,200 | | |
Unrecognized compensation cost, expected recognition period, years | | | | | | | | | | | | | 2 years | | |
Vested number of shares of restricted stock | | | | | | 56,250 | | 72,091 | | | | | | | |
Restricted Stock [Member] | August 2017 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Expected volatility | | | | | | | | | | | | | 44.00% | | |
Expected life (in years) | | | | | | | | | | | | | 3 years | | |
Future dividends | | | | | | | | | | | | | $ 0 | | |
Expected volatility calculation term | | | | | | | | | | | | | 30 days | | |
Strike price | | | | | | | | | | | | | $ 0 | | |
Restricted Stock [Member] | August 2017 [Member] | Below $15 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Performance target, per share | | | | | | | | | | | | | $ 15 | | |
Vesting percentage | | | | | | | | | | | | | 0.00% | | |
Restricted Stock [Member] | August 2017 [Member] | At or above $15 and below $19 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Vesting percentage | | | | | | | | | | | | | 33.00% | | |
Restricted Stock [Member] | August 2017 [Member] | At or above $19 and below $23 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Vesting percentage | | | | | | | | | | | | | 66.00% | | |
Restricted Stock [Member] | August 2017 [Member] | At or above $23 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Performance target, per share | | | | | | | | | | | | | $ 23 | | |
Vesting percentage | | | | | | | | | | | | | 100.00% | | |
Restricted Stock [Member] | August 2016 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Granted, Number of shares | | | | | | | 150,000 | | | | | | | | |
Restricted Stock [Member] | Executive Officer [Member] | August 2017 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Granted, Number of shares | | | | | | 210,000 | | | | | | | | | |
Restricted Stock [Member] | Executive Officer [Member] | August 2016 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Granted, Number of shares | | | | | | | | 350,000 | | | | | | | |
Restricted Stock [Member] | Non-Employee Directors [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Vesting period | | | | | | | | | | | | | | | 3 years |
Vested number of shares of restricted stock | | | | 61,995 | | | | | | | | | | | |
Restricted Stock [Member] | Non-Employee Directors [Member] | August 2017 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Granted, Number of shares | | | | | | 52,594 | | | | | | | | | |
Restricted Stock [Member] | Non-Employee Directors [Member] | August 2016 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Granted, Number of shares | | | | | | | | 37,000 | | | | | | | |
Restricted Stock [Member] | Executive Officers And Employees [Member] | August 2017 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Granted, Number of shares | | | | | | 326,000 | | | | | | | | | |
Restricted Stock [Member] | Employees [Member] | August 2015 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Granted, Number of shares | | | | | | | | | | 301,537 | | | | | |
Reversed stock-based compensation charge, shares | | | | | | | | | | | | 301,537 | | 301,537 | |
Restricted Stock [Member] | Former Chief Executive Officer [Member] | August 2016 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Granted, Number of shares | | | | | | | 200,000 | | | | | | | | |
Restricted Stock [Member] | One-Third Shares Vest 2019 Fundamental EPS [Member] | August 2016 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS, to be achieved | | | | | | | | | | | | | $ 2.60 | | |
Restricted Stock [Member] | Two-Thirds Shares Vest 2019 Fundamental EPS [Member] | August 2016 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS, to be achieved | | | | | | | | | | | | | 2.80 | | |
Restricted Stock [Member] | All Shares Vest 2019 Fundamental EPS [Member] | August 2016 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS, to be achieved | | | | | | | | | | | | | 3 | | |
Restricted Stock [Member] | One-Third Shares Vest 2018 Fundamental EPS [Member] | August 2015 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS, to be achieved | | | | | | | | | | | | | 2.88 | | |
Restricted Stock [Member] | Two-Thirds Shares Vest 2018 Fundamental EPS [Member] | August 2015 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS, to be achieved | | | | | | | | | | | | | 3.30 | | |
Restricted Stock [Member] | All Shares Vest 2018 Fundamental EPS [Member] | August 2015 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS, to be achieved | | | | | | | | | | | | | $ 3.76 | | |
Restricted Stock [Member] | Full Time Basis [Member] | Executive Officers And Employees [Member] | August 2017 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Vesting date | | | | | | | | | | | | | Aug. 23, 2020 | | |
Restricted Stock [Member] | Recipient Is A Director [Member] | Non-Employee Directors [Member] | August 2017 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Vesting date | | | | | | | | | | | | | Aug. 23, 2018 | | |
Restricted Stock [Member] | Amended [Member] | Non-Employee Directors [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Vesting period | | | | | | | | | | | | | | | 1 year |
2019 Fundamental EPS [Member] | August 2016 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS, linear interpolation | | | | | | | | | | | | | $ 2.80 | | |
2018 Fundamental EPS [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Number of common stock shares that will impact fundamental EPS calculation | | | | | | | | | 10,000,000 | | | | | | |
Unrecognized compensation cost | | | | | $ 3,900 | | | | | | $ 3,900 | | $ 3,900 | | |
2018 Fundamental EPS [Member] | August 2015 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS, linear interpolation | | | | | | | | | | | | | $ 3.30 | | |
Minimum [Member] | Restricted Stock [Member] | August 2017 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Risk-free rate | | | | | | | | | | | | | 1.275% | | |
Minimum [Member] | Restricted Stock [Member] | August 2017 [Member] | At or above $15 and below $19 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Performance target, per share | | | | | | | | | | | | | $ 15 | | |
Minimum [Member] | Restricted Stock [Member] | August 2017 [Member] | At or above $19 and below $23 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Performance target, per share | | | | | | | | | | | | | 19 | | |
Minimum [Member] | 2019 Fundamental EPS [Member] | August 2016 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS | | | | | | | | | | | | | 2.60 | | |
Minimum [Member] | 2018 Fundamental EPS [Member] | August 2015 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS | | | | | | | | | | | | | $ 2.88 | | |
Maximum [Member] | Restricted Stock [Member] | August 2017 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Risk-free rate | | | | | | | | | | | | | 1.657% | | |
Maximum [Member] | Restricted Stock [Member] | August 2017 [Member] | At or above $15 and below $19 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Performance target, per share | | | | | | | | | | | | | $ 19 | | |
Maximum [Member] | Restricted Stock [Member] | August 2017 [Member] | At or above $19 and below $23 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Performance target, per share | | | | | | | | | | | | | 23 | | |
Maximum [Member] | 2019 Fundamental EPS [Member] | August 2016 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS | | | | | | | | | | | | | 3 | | |
Maximum [Member] | 2018 Fundamental EPS [Member] | August 2015 [Member] | | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | | | | | | |
Fundamental EPS | | | | | | | | | | | | | $ 3.76 | | |