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TOPIC 606 ADOPTION IMPACT AND REVENUE FROM CONTRACTS WITH CUSTOMERS: Impact of changes in accounting policies (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Apr. 01, 2018 | Mar. 31, 2018
ASSETS |  |  |  |  |  |
Deferred commissions, net | $ 8,490 |  | $ 8,490 |  |  | $ 0
Others | 1,179,302 |  | 1,179,302 |  |  |
TOTAL ASSETS | 1,187,792 |  | 1,187,792 |  |  | 1,209,497
Liabilities |  |  |  |  |  |
Deferred income taxes | 15,952 |  | 15,952 |  |  | 40,243
Other liabilities | 411,162 |  | 411,162 |  |  |
Total liabilities | 427,114 |  | 427,114 |  |  |
Equity |  |  |  |  |  |
Retained earnings | 658,666 |  | 658,666 |  |  | 628,331
Other equity | 102,012 |  | 102,012 |  |  |
Total equity | 760,678 |  | 760,678 |  |  | 749,095
TOTAL LIABILITIES AND EQUITY | 1,187,792 |  | 1,187,792 |  |  | $ 1,209,497
Income Statement [Abstract] |  |  |  |  |  |
Revenues | 64,812 | $ 54,013 | 127,283 | $ 100,770 |  |
Cost of revenue | 24,466 | 24,009 | 48,120 | 48,070 |  |
Gross profit | 40,346 | 30,004 | 79,163 | 52,700 |  |
Operating expenses: |  |  |  |  |  |
Sales and marketing | 35,940 | 25,981 | 69,263 | 50,072 |  |
Other operating expenses |  |  | 77,701 |  |  |
Total operating expenses | 78,545 | 68,137 | 146,964 | 130,652 |  |
Loss from operations | (38,199) | (38,133) | (67,801) | (77,952) |  |
Total other income (expense) | (281) | 263 | 75 | (317) |  |
Loss from continuing operations before income taxes | (38,480) | (37,870) | (67,726) | (78,269) |  |
Income taxes (benefit) | 2,700 | (11,869) | 1,272 | (25,189) |  |
Net loss from continuing operations | (41,180) | (26,001) | (68,998) | (53,080) |  |
Statement of Comprehensive Income [Abstract] |  |  |  |  |  |
Net loss | 20,623 | (3,336) | 17,608 | (4,636) |  |
Other comprehensive income (loss): |  |  |  |  |  |
Change in foreign currency translation adjustment | 1,293 | 759 | (575) | 1,411 |  |
Comprehensive loss | 21,916 | (2,577) | 17,033 | (3,225) |  |
Cash flows from operating activities: |  |  |  |  |  |
Earnings (loss) from discontinued operations, net of tax | (61,803) | (22,665) | (86,606) | (48,444) |  |
Adjustments to reconcile net loss to net cash provided by operating activities: |  |  |  |  |  |
Deferred income taxes |  |  | 12,444 | (2,632) |  |
Others |  |  | 53,111 |  |  |
Changes in operating assets and liabilities: |  |  |  |  |  |
Accounts receivable, net |  |  | (2,649) | (4,675) |  |
Deferred costs and other assets, net |  |  | (2,047) | 0 |  |
Other assets |  |  | (12,480) | (1,136) |  |
Accounts payable and other liabilities |  |  | (7,276) | (3,804) |  |
Deferred Revenue |  |  | (1,515) | (1,228) |  |
Net cash provided by operating activities |  |  | (29,410) | (18,851) |  |
Net cash from investing activities |  |  | (5,857) | 100 |  |
Net cash from financing activities |  |  | (55,862) | (16,232) |  |
Net cash provided by discontinued operations |  |  | 39,642 | 34,046 |  |
Effect of exchange rate changes on cash |  |  | (1,484) | 609 |  |
Net change in cash and cash equivalents |  |  | (52,971) | (328) |  |
Cash and cash equivalents at beginning of period |  |  | 140,018 | 168,680 |  |
Cash and cash equivalents at end of period | 87,047 | $ 168,352 | 87,047 | $ 168,352 |  |
ASC 606 Adjustments | Accounting Standards Update 2014-09 |  |  |  |  |  |
ASSETS |  |  |  |  |  |
Deferred commissions, net | (8,490) |  | (8,490) |  |  |
Others | 0 |  | 0 |  |  |
TOTAL ASSETS | (8,490) |  | (8,490) |  |  |
Liabilities |  |  |  |  |  |
Deferred income taxes | (2,281) |  | (2,281) |  |  |
Other liabilities | 0 |  | 0 |  |  |
Total liabilities | (2,281) |  | (2,281) |  |  |
Equity |  |  |  |  |  |
Retained earnings | (6,209) |  | (6,209) |  | $ 12,700 |
Other equity | 0 |  | 0 |  |  |
Total equity | (6,209) |  | (6,209) |  |  |
TOTAL LIABILITIES AND EQUITY | (8,490) |  | (8,490) |  |  |
Income Statement [Abstract] |  |  |  |  |  |
Revenues |  |  | 0 |  |  |
Cost of revenue |  |  | 0 |  |  |
Gross profit |  |  | 0 |  |  |
Operating expenses: |  |  |  |  |  |
Sales and marketing |  |  | 2,047 |  |  |
Other operating expenses |  |  | 0 |  |  |
Total operating expenses |  |  | 2,047 |  |  |
Loss from operations |  |  | (2,047) |  |  |
Total other income (expense) |  |  | 0 |  |  |
Loss from continuing operations before income taxes |  |  | (2,047) |  |  |
Income taxes (benefit) |  |  | (487) |  |  |
Net loss from continuing operations |  |  | (1,560) |  |  |
Statement of Comprehensive Income [Abstract] |  |  |  |  |  |
Net loss |  |  | (1,560) |  |  |
Other comprehensive income (loss): |  |  |  |  |  |
Change in foreign currency translation adjustment |  |  | 0 |  |  |
Comprehensive loss |  |  | (1,560) |  |  |
Cash flows from operating activities: |  |  |  |  |  |
Earnings (loss) from discontinued operations, net of tax |  |  | 0 |  |  |
Adjustments to reconcile net loss to net cash provided by operating activities: |  |  |  |  |  |
Deferred income taxes |  |  | (487) |  |  |
Others |  |  | 0 |  |  |
Changes in operating assets and liabilities: |  |  |  |  |  |
Accounts receivable, net |  |  | 0 |  |  |
Deferred costs and other assets, net |  |  | 2,047 |  |  |
Other assets |  |  | 0 |  |  |
Accounts payable and other liabilities |  |  | 0 |  |  |
Deferred Revenue |  |  | 0 |  |  |
Net cash provided by operating activities |  |  | 0 |  |  |
Net cash from investing activities |  |  | 0 |  |  |
Net cash from financing activities |  |  | 0 |  |  |
Net cash provided by discontinued operations |  |  | 0 |  |  |
Effect of exchange rate changes on cash |  |  | 0 |  |  |
Net change in cash and cash equivalents |  |  | 0 |  |  |
Cash and cash equivalents at beginning of period |  |  | 0 |  |  |
Cash and cash equivalents at end of period | 0 |  | 0 |  |  |
Before ASC topic 606 |  |  |  |  |  |
ASSETS |  |  |  |  |  |
Deferred commissions, net | 0 |  | 0 |  |  |
Others | 1,179,302 |  | 1,179,302 |  |  |
TOTAL ASSETS | 1,179,302 |  | 1,179,302 |  |  |
Liabilities |  |  |  |  |  |
Deferred income taxes | 13,671 |  | 13,671 |  |  |
Other liabilities | 411,162 |  | 411,162 |  |  |
Total liabilities | 424,833 |  | 424,833 |  |  |
Equity |  |  |  |  |  |
Retained earnings | 652,457 |  | 652,457 |  |  |
Other equity | 102,012 |  | 102,012 |  |  |
Total equity | 754,469 |  | 754,469 |  |  |
TOTAL LIABILITIES AND EQUITY | 1,179,302 |  | 1,179,302 |  |  |
Income Statement [Abstract] |  |  |  |  |  |
Revenues |  |  | 127,283 |  |  |
Cost of revenue |  |  | 48,120 |  |  |
Gross profit |  |  | 79,163 |  |  |
Operating expenses: |  |  |  |  |  |
Sales and marketing |  |  | 71,310 |  |  |
Other operating expenses |  |  | 77,701 |  |  |
Total operating expenses |  |  | 149,011 |  |  |
Loss from operations |  |  | (69,848) |  |  |
Total other income (expense) |  |  | 75 |  |  |
Loss from continuing operations before income taxes |  |  | (69,773) |  |  |
Income taxes (benefit) |  |  | 785 |  |  |
Net loss from continuing operations |  |  | (70,558) |  |  |
Statement of Comprehensive Income [Abstract] |  |  |  |  |  |
Net loss |  |  | 16,048 |  |  |
Other comprehensive income (loss): |  |  |  |  |  |
Change in foreign currency translation adjustment |  |  | (575) |  |  |
Comprehensive loss |  |  | 15,473 |  |  |
Cash flows from operating activities: |  |  |  |  |  |
Earnings (loss) from discontinued operations, net of tax |  |  | (86,606) |  |  |
Adjustments to reconcile net loss to net cash provided by operating activities: |  |  |  |  |  |
Deferred income taxes |  |  | 11,957 |  |  |
Others |  |  | 53,111 |  |  |
Changes in operating assets and liabilities: |  |  |  |  |  |
Accounts receivable, net |  |  | (2,649) |  |  |
Deferred costs and other assets, net |  |  | 0 |  |  |
Other assets |  |  | (12,480) |  |  |
Accounts payable and other liabilities |  |  | (7,276) |  |  |
Deferred Revenue |  |  | (1,515) |  |  |
Net cash provided by operating activities |  |  | (29,410) |  |  |
Net cash from investing activities |  |  | (5,857) |  |  |
Net cash from financing activities |  |  | (55,862) |  |  |
Net cash provided by discontinued operations |  |  | 39,642 |  |  |
Effect of exchange rate changes on cash |  |  | (1,484) |  |  |
Net change in cash and cash equivalents |  |  | (52,971) |  |  |
Cash and cash equivalents at beginning of period |  |  | 140,018 |  |  |
Cash and cash equivalents at end of period | $ 87,047 |  | $ 87,047 |  |  |

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