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RESTRUCTURING CHARGES | 12 Months Ended
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Mar. 31, 2017
Restructuring and Related Activities [Abstract] |
RESTRUCTURING CHARGES | RESTRUCTURING CHARGES Fiscal 2017 April Restructuring Plan In April 2016, we approved a plan (“Fiscal 2017 April Restructuring Plan”) to eliminate 29 positions in the U.S. and internationally to reduce investments in various functions of our business to improve operational efficiencies. The costs associated with these actions consist of restructuring charges related to severance and benefits. These actions were completed by the second quarter of fiscal 2017. We incurred and paid $1.5 million of restructuring charges under this plan. Fiscal 2016 Restructuring Plan In November 2015, we approved a plan (“Fiscal 2016 Restructuring Plan”) to eliminate approximately 65 positions in the U.S. and internationally, primarily in research and development and sales and marketing functions, in order to improve our cost structure and align spending with continuing operations plans. These actions were completed by the first quarter of fiscal 2017, with the majority having occurred by December 31, 2015. The costs associated with these actions consist of restructuring charges related to severance and benefits. We incurred and paid $2.0 million of restructuring charges under this plan. Restructuring expense for fiscal 2017, 2016 and 2015 was recorded in operating expense. The following summarizes the type of restructuring expense for fiscal 2017, 2016 and 2015 (in thousands):
| For the year ended March 31,
| 2017 |  | 2016 |  | 2015
Severance and benefits | $ | 1,443 |  |  | $ | 2,293 |  |  | $ | 406 |
Facilities | 620 |  |  | 1,713 |  |  | 1,260 |
| $ | 2,063 |  |  | $ | 4,006 |  |  | $ | 1,666 |
Fiscal 2017 Restructuring charges in fiscal 2017 were largely due to $1.4 million of severance and benefits and facilities costs incurred in the Plan period, included within the Fiscal 2017 April Restructuring Plan. The severance and benefits payments related to the Fiscal 2016 Restructuring Plan were completed in the first quarter of fiscal 2017. Additionally, we incurred $0.6 million of restructuring charges related to facilities costs primarily due to a change in estimate of sublease timing for our facilities previously used in manufacturing. Fiscal 2016 Restructuring charges in fiscal 2016 were largely due to $2.3 million of severance and benefits costs primarily from the Fiscal 2016 Restructuring Plan. Additionally, we incurred $1.7 million of restructuring charges related to facilities costs primarily due to a change in estimate of sublease timing for our facilities previously used in manufacturing. Fiscal 2015 Restructuring charges in fiscal 2015 were primarily due to facilities costs of $1.3 million as a result of further consolidating our facilities in the U.S. The following tables show the activity and the estimated timing of future payouts for accrued restructuring (in thousands):
| Severance and benefits |  | Facilities |  | Total
Balance as of March 31, 2014 | $ | 1,574 |  |  | $ | 6,724 |  |  | $ | 8,298 |
Restructuring costs | 749 |  |  | 1,680 |  |  | 2,429 |
Adjustments of prior estimates | (343 | ) |  | (430 | ) |  | (773 | )
Cash payments | (1,791 | ) |  | (3,617 | ) |  | (5,408 | )
Other non-cash | — |  |  | 300 |  |  | 300 |
Balance as of March 31, 2015 | 189 |  |  | 4,657 |  |  | 4,846 |
Restructuring costs | 2,266 |  |  | 656 |  |  | 2,922 |
Adjustments of prior estimates | 27 |  |  | 1,057 |  |  | 1,084 |
Cash payments | (2,128 | ) |  | (4,087 | ) |  | (6,215 | )
Other non-cash | — |  |  | 100 |  |  | 100 |
Balance as of March 31, 2016 | 354 |  |  | 2,383 |  |  | 2,737 |
Restructuring costs | 1,494 |  |  | 483 |  |  | 1,977 |
Adjustments of prior estimates | (52 | ) |  | 137 |  |  | 85 |
Cash payments | (1,665 | ) |  | (1,907 | ) |  | (3,572 | )
Other non-cash | — |  |  | 124 |  |  | 124 |
Balance as of March 31, 2017 | $ | 131 |  |  | $ | 1,220 |  |  | $ | 1,351 |
Estimated timing of future payouts: | Severance and benefits |  | Facilities |  | Total
Fiscal 2018 | $ | 131 |  |  | $ | 739 |  |  | $ | 870 |
Fiscal 2019 to 2022 | — |  |  | 481 |  |  | 481 |
| $ | 131 |  |  | $ | 1,220 |  |  | $ | 1,351 |
Facility restructuring accruals will be paid in accordance with the respective facility lease terms and amounts above are net of estimated sublease amounts.

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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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