Stock-based Compensation (Details Textual) | 3 Months Ended | |
May 31, 2020USD ($)share_based_compensation_plan$ / sharesshares | Feb. 29, 2020$ / sharesshares |
Share Based Compensation (Textual) [Abstract] | | |
Number Of Share-Based Compensation Plans | share_based_compensation_plan | 2 | |
Unrecognized compensation cost | $ | $ 13,400,000 | |
Restricted Stock [Member] | | |
Share Based Compensation (Textual) [Abstract] | | |
Vesting ratably term | 3 years | |
Performance Shares [Member] | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | 147,780 | 109,936 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value | $ / shares | $ 39.35 | $ 47.75 |
Share Based Compensation (Textual) [Abstract] | | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | 69,955 | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares | $ 33.22 | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period | 0 | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value | $ / shares | $ 0 | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period | (32,111) | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value | $ / shares | $ 54 | |
Stock Appreciation Rights (SARs) [Member] | | |
Share Based Compensation (Textual) [Abstract] | | |
Term for the contract | 7 years | |
Outstanding Average contractual term | 7 months 13 days | |
Employee Stock [Member] | | |
Share Based Compensation (Textual) [Abstract] | | |
Term of offering under stock purchase plan | 24 months | |
Granted option lower than | 85.00% | |
Restricted common stock under plan | $ | $ 25,000 | |
Common stock purchased during period (shares) | 5,000 | |
2014 Long Term Incentive Plan [Member] | | |
Share Based Compensation (Textual) [Abstract] | | |
Shares authorized (shares) | 1,500,000 | |
Share for future issuance (shares) | 1,200,000 | |
2005 Long Term Incentive Plan [Member] | | |
Share Based Compensation (Textual) [Abstract] | | |
Shares authorized (shares) | 100,000 | |