SHARE-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended |
6 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
| Additional Disclosures [Abstract] |
|
|
|
|
| Vested share-based awards withheld to satisfy income tax obligations (in shares) |
|
|
29,736
|
30,447
|
| Vested share-based awards withheld to satisfy income tax obligations |
|
|
$ 2,600
|
$ 2,500
|
| Compensation Expense [Abstract] |
|
|
|
|
| Share-based compensation expense |
$ 1,400
|
$ 1,500
|
$ 2,903
|
2,711
|
| 401 (k) Profit Sharing Plan [Abstract] |
|
|
|
|
| Period over which employer contribution is vested |
|
|
4 years
|
|
| Contribution to profit sharing plan |
$ 400
|
$ 400
|
$ 800
|
$ 700
|
| Restricted Stock [Member] |
|
|
|
|
| Number of Shares [Rollforward] |
|
|
|
|
| Nonvested (in shares) |
|
|
203,828
|
|
| Granted (in shares) |
|
|
72,764
|
|
| Vested (in shares) |
|
|
(89,906)
|
|
| Nonvested (in shares) |
186,686
|
|
186,686
|
|
| Weighted Average Grant-date Fair Value [Rollforward] |
|
|
|
|
| Nonvested (in dollars per share) |
|
|
$ 72.33
|
|
| Granted (in dollars per share) |
|
|
86.22
|
|
| Vested (in dollars per share) |
|
|
66.01
|
|
| Nonvested (in dollars per share) |
$ 80.79
|
|
$ 80.79
|
|
| Additional Disclosures [Abstract] |
|
|
|
|
| Vested share-based awards withheld to satisfy income tax obligations (in shares) |
|
|
29,736
|
|
| Vested share-based awards withheld to satisfy income tax obligations |
|
|
$ 2,600
|
|
| Compensation Expense [Abstract] |
|
|
|
|
| Unrecognized compensation expense |
$ 13,400
|
|
$ 13,400
|
|
| Unrecognized compensation expense, period for recognition |
|
|
45 months
|
|
| 2008 Director LTIP [Member] | Restricted Stock [Member] |
|
|
|
|
| Number of Shares [Rollforward] |
|
|
|
|
| Granted (in shares) |
|
|
5,495
|
6,151
|
| 2012 Employee LTIP [Member] | Restricted Stock [Member] |
|
|
|
|
| Number of Shares [Rollforward] |
|
|
|
|
| Granted (in shares) |
|
|
67,269
|
118,974
|