Stock-Based Compensation	3 Months Ended
Jul. 03, 2016
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Stock-Based Compensation	Stock-Based Compensation As of July 3, 2016, the Company maintains the Second Amended and Restated EnerSys 2010 Equity Incentive Plan, as amended (“2010 EIP”). The 2010 EIP reserved 3,177,477 shares of common stock for the grant of various classes of nonqualified stock options, restricted stock units, market condition-based share units and other forms of equity-based compensation. The Company recognized stock-based compensation expense associated with its equity incentive plans of $5,067 for the first quarter of fiscal 2017 and $4,239 for the first quarter of fiscal 2016. The Company recognizes compensation expense using the straight-line method over the vesting period of the awards, except for awards issued to certain retirement-eligible participants, which are expensed on an accelerated basis. During the first quarter ended July 3, 2016, the Company granted to non-employee directors 1,586 restricted stock units, pursuant to the EnerSys Deferred Compensation Plan for Non-Employee Directors. During the first quarter ended July 3, 2016, the Company granted to management and other key employees 242,068 non-qualified stock options and 83,720 market condition-based share units that vest three years from the date of grant and 229,638 restricted stock units that vest 25% each year over four years from the date of grant. Common stock activity during the first quarter ended July 3, 2016 included the vesting of 139,526 restricted stock units and 232,817 market condition-based share units and exercise of 263 stock options. As of July 3, 2016, there were 451,668 non-qualified stock options, 413,763 restricted stock units and 446,113 market condition-based share units outstanding.

Stock-Based Compensation

3 Months Ended

Jul. 03, 2016

As of July 3, 2016, the Company maintains the Second Amended and Restated EnerSys 2010 Equity Incentive Plan, as amended (“2010 EIP”). The 2010 EIP reserved 3,177,477 shares of common stock for the grant of various classes of nonqualified stock options, restricted stock units, market condition-based share units and other forms of equity-based compensation.

The Company recognized stock-based compensation expense associated with its equity incentive plans of $5,067 for the first quarter of fiscal 2017 and $4,239 for the first quarter of fiscal 2016. The Company recognizes compensation expense using the straight-line method over the vesting period of the awards, except for awards issued to certain retirement-eligible participants, which are expensed on an accelerated basis.

During the first quarter ended July 3, 2016, the Company granted to non-employee directors 1,586 restricted stock units, pursuant to the EnerSys Deferred Compensation Plan for Non-Employee Directors.

During the first quarter ended July 3, 2016, the Company granted to management and other key employees 242,068 non-qualified stock options and 83,720 market condition-based share units that vest three years from the date of grant and 229,638 restricted stock units that vest 25% each year over four years from the date of grant.

Common stock activity during the first quarter ended July 3, 2016 included the vesting of 139,526 restricted stock units and 232,817 market condition-based share units and exercise of 263 stock options.

As of July 3, 2016, there were 451,668 non-qualified stock options, 413,763 restricted stock units and 446,113 market condition-based share units outstanding.