Description of Stock Plans - Intrinsic Value of Options Exercised and Fair Value of Options Vested (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
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Jun. 30, 2015 |
Jun. 30, 2014 |
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | ||
| Total fair value of options vested | $ 1,266 | $ 1,461 |
| Total intrinsic value of options exercised | $ 5 | $ 0 |
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- References No definition available.
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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