Net Income (Loss) per Share (Additional Information) (Details) - shares
|
3 Months Ended |
6 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
| Reconciliations of basic to diluted weighted-average common shares outstanding |
|
|
|
|
| Weighted-average shares used in basic computation |
32,057,000
|
32,511,000
|
32,041,000
|
32,812,000
|
| Dilutive effect of stock-based awards |
365,000
|
264,000
|
0
|
0
|
| Weighted-average shares used in diluted computation |
32,422,000
|
32,775,000
|
32,041,000
|
32,812,000
|
| Excluded NSUs |
|
|
|
|
| Options excluded in the computation of diluted income per share |
|
|
|
|
| Options excluded in the computation of diluted income per share (in shares) |
131,000
|
177,000
|
420,000
|
480,000
|
| Excluded RSUs |
|
|
|
|
| Options excluded in the computation of diluted income per share |
|
|
|
|
| Options excluded in the computation of diluted income per share (in shares) |
396,000
|
457,000
|
396,000
|
457,000
|
| Restricted Stock |
|
|
|
|
| Options excluded in the computation of diluted income per share |
|
|
|
|
| Options excluded in the computation of diluted income per share (in shares) |
0
|
0
|
10,000
|
9,000
|
| Excluded stock appreciation rights (SARs) |
|
|
|
|
| Options excluded in the computation of diluted income per share |
|
|
|
|
| Options excluded in the computation of diluted income per share (in shares) |
90,000
|
510,000
|
480,000
|
700,000
|