Share-Based Compensation - Additional Information (Details) $ in Millions | May 30, 2019shares | Mar. 31, 2021USD ($)Periodshares | Mar. 31, 2020USD ($) |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Share-based compensation | $ | | $ 3.1 | $ 2.3 |
Share-based compensation expense, income tax benefit | $ | | 3.8 | $ 0.1 |
Unrecognized share-based compensation expense | $ | | $ 32.6 | |
Unrecognized share-based compensation expense, vest over weighted-average period | | 2 years 6 months | |
Stock Options | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Unrecognized share-based compensation expense | $ | | $ 0.7 | |
Unrecognized share-based compensation expense, vest over weighted-average period | | 1 year 6 months | |
Share-based compensation award, options granted | | 0 | |
RSUs | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Unrecognized share-based compensation expense | $ | | $ 18.8 | |
Unrecognized share-based compensation expense, vest over weighted-average period | | 2 years 6 months | |
Granted | | 446,000 | |
Performance Share Units | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Unrecognized share-based compensation expense | $ | | $ 13.1 | |
Unrecognized share-based compensation expense, vest over weighted-average period | | 2 years 6 months | |
Granted | | 336,000 | |
Performance Share Units | 2021 Performance Grant | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Number of independent performance periods | Period | | 4 | |
Number of annual performance periods | Period | | 3 | |
Number of three-year cumulative performance period | Period | | 1 | |
Performance Share Units | 2020 Performance Grant | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Number of independent performance periods | Period | | 4 | |
Number of annual performance periods | Period | | 3 | |
Number of three-year cumulative performance period | Period | | 1 | |
Performance Share Units | 2019 Performance Grant | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Number of three-year cumulative performance period | Period | | 1 | |
Performance Share Units | Certain Executive Officers and Senior Management | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Granted | | 335,830 | |
Performance Share Units | Minimum [Member] | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Potential payout for awards | | 0 | |
Performance Share Units | Maximum | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Potential payout for awards | | 631,000 | |
2021 Performance Grant | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Granted | | 315,400 | |
Additional Performance Shares | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Granted | | 20,430 | |
2016 PIP | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Additional shares of common stock authorized | 3,400,000 | | |
Shares authorized and available for grant | | 900,000 | |
First Annual Performance Periods | Performance Share Units | 2021 Performance Grant | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Share-based compensation expense, targeted performance percentage | | 153.00% | |
Number of shares used to determine compensation expense for granted PSUs | | 118,000 | |
First Annual Performance Periods | Performance Share Units | 2020 Performance Grant | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Share-based compensation expense, targeted performance percentage | | 138.00% | |
Number of shares used to determine compensation expense for granted PSUs | | 111,000 | |
Second Annual Performance Periods | Performance Share Units | 2020 Performance Grant | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Share-based compensation expense, targeted performance percentage | | 147.00% | |
Number of shares used to determine compensation expense for granted PSUs | | 118,000 | |
Remaining Annual Performance Periods | Performance Share Units | 2021 Performance Grant | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Share-based compensation expense, targeted performance percentage | | 100.00% | |
Number of shares used to determine compensation expense for granted PSUs | | 238,000 | |
Remaining Annual Performance Periods | Performance Share Units | 2020 Performance Grant | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Share-based compensation expense, targeted performance percentage | | 100.00% | |
Number of shares used to determine compensation expense for granted PSUs | | 180,000 | |
Remaining Annual Performance Periods | Performance Share Units | 2019 Performance Grant | | | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | | | |
Share-based compensation expense, targeted performance percentage | | 115.00% | |
Number of shares used to determine compensation expense for granted PSUs | | 341,000 | |