TREASURY STOCK	3 Months Ended
Jun. 30, 2016
Equity [Abstract]
TREASURY STOCK	TREASURY STOCK On April 22, 2014, the Company's board of directors approved a stock repurchase program. This program authorized management to make repurchases of NetScout outstanding common stock of up to $100 million. The Company repurchased 67,752 shares for $2.8 million under this program during the three months ended June 30, 2015. Through March 31, 2016, the Company had repurchased 824,452 shares totaling $34.3 million in the open market under this stock repurchase plan. At March 31, 2016, there were no shares of common stock that remained available to be purchased under this plan due to the approval of a new share repurchase program approved on May 19, 2015. On May 19, 2015, the Company’s board of directors approved a new share repurchase program, conditional upon the completion of the Transaction. This program enables the Company to repurchase up to 20 million shares of its common stock. This plan became effective on July 14, 2015 upon the completion of the Transaction and replaced the Company's previously existing open market stock repurchase program described above. The Company is not obligated to acquire any specific amount of common stock within any particular timeframe under this program. For additional information regarding the Transaction, see Note 7. Through June 30, 2016, the Company has repurchased 12,178,518 shares totaling $350.0 million in the open market under this stock repurchase plan. At June 30, 2016, 7,821,482 shares of common stock remained available to be purchased under the plan. The Company repurchased 2,100,382 shares for $50.0 million under the program during the three months ended June 30, 2016. In connection with the vesting and release of the restriction on previously vested shares of restricted stock units, the Company withheld 2,909 shares at a cost of $68 thousand related to minimum statutory tax withholding requirements on these restricted stock units during the three months ended June 30, 2016. These withholding transactions do not fall under the repurchase program described above, and therefore do not reduce the amount that is available for repurchase under that program.

TREASURY STOCK

On April 22, 2014, the Company's board of directors approved a stock repurchase program. This program authorized management to make repurchases of NetScout outstanding common stock of up to $100 million. The Company repurchased 67,752 shares for $2.8 million under this program during the three months ended June 30, 2015. Through March 31, 2016, the Company had repurchased 824,452 shares totaling $34.3 million in the open market under this stock repurchase plan. At March 31, 2016, there were no shares of common stock that remained available to be purchased under this plan due to the approval of a new share repurchase program approved on May 19, 2015.

On May 19, 2015, the Company’s board of directors approved a new share repurchase program, conditional upon the completion of the Transaction. This program enables the Company to repurchase up to 20 million shares of its common stock. This plan became effective on July 14, 2015 upon the completion of the Transaction and replaced the Company's previously existing open market stock repurchase program described above. The Company is not obligated to acquire any specific amount of common stock within any particular timeframe under this program. For additional information regarding the Transaction, see Note 7. Through June 30, 2016, the Company has repurchased 12,178,518 shares totaling $350.0 million in the open market under this stock repurchase plan. At June 30, 2016, 7,821,482 shares of common stock remained available to be purchased under the plan. The Company repurchased 2,100,382 shares for $50.0 million under the program during the three months ended June 30, 2016.

In connection with the vesting and release of the restriction on previously vested shares of restricted stock units, the Company withheld 2,909 shares at a cost of $68 thousand related to minimum statutory tax withholding requirements on these restricted stock units during the three months ended June 30, 2016. These withholding transactions do not fall under the repurchase program described above, and therefore do not reduce the amount that is available for repurchase under that program.