General form of registration statement for all companies including face-amount certificate companies

REVENUE - Disaggregation of Revenue (Details)

v3.24.4
REVENUE - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2022
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax $ 70,469 $ 75,680 $ 141,812 $ 168,174   $ 311,600 $ 422,077 $ 383,432
Americas                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax $ 37,785 $ 43,128 $ 76,529 $ 97,717   $ 164,224 $ 253,233 213,175
Americas | Geographic Concentration Risk | Revenue Benchmark                
Revenues from External Customers and Long-Lived Assets                
Concentration risk percentage 54.00% 57.00% 54.00% 58.00% 55.00% 53.00% 60.00%  
Europe [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax $ 23,413 $ 22,821 $ 46,050 $ 49,775   $ 106,837 $ 116,304 $ 117,899
Europe [Member] | Geographic Concentration Risk | Revenue Benchmark                
Revenues from External Customers and Long-Lived Assets                
Concentration risk percentage 33.00% 30.00% 32.00% 30.00%   34.00% 28.00% 31.00%
Asia Pacific [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax $ 6,908 $ 7,503 $ 13,968 $ 15,488   $ 30,408 $ 38,835 $ 36,981
Asia Pacific [Member] | Geographic Concentration Risk | Revenue Benchmark                
Revenues from External Customers and Long-Lived Assets                
Concentration risk percentage 10.00% 10.00% 10.00% 9.00%   10.00% 9.00% 10.00%
Product [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax $ 36,785 $ 42,947 $ 77,779 $ 101,522   $ 174,879 $ 274,854 $ 230,814
Product [Member] | Americas                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax 20,487 25,493 44,117 62,128   92,907 175,652 130,248
Product [Member] | Europe [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax 11,682 11,975 24,656 27,823   59,465 70,025 71,498
Product [Member] | Asia Pacific [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax 4,616 5,479 9,006 11,571   22,507 29,177 29,068
Service And Subscriptions [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax 31,321 30,505 58,768 61,458   126,590 133,518 137,241
Service And Subscriptions [Member] | Americas                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax 17,298 17,635 32,412 35,589   71,317 77,581 82,927
Service And Subscriptions [Member] | Europe [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax 11,731 10,846 21,394 21,952   47,372 46,279 46,401
Service And Subscriptions [Member] | Asia Pacific [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax 2,292 2,024 4,962 3,917   7,901 9,658 7,913
Primary Storage Systems [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax $ 11,760 $ 17,058 $ 28,630 $ 28,507   $ 53,525 $ 63,334 $ 67,592
Primary Storage Systems [Member] | Product Concentration Risk | Revenue Benchmark                
Revenues from External Customers and Long-Lived Assets                
Concentration risk percentage 17.00% 23.00% 20.00% 17.00%   17.00% 15.00% 18.00%
Secondary Storage Systems [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax $ 21,742 $ 20,340 $ 37,511 $ 61,912   $ 100,599 $ 178,431 $ 118,537
Secondary Storage Systems [Member] | Product Concentration Risk | Revenue Benchmark                
Revenues from External Customers and Long-Lived Assets                
Concentration risk percentage 30.00% 27.00% 26.00% 36.00%   32.00% 42.00% 31.00%
Device and Media [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax $ 7,430 $ 7,893 $ 16,679 $ 16,085   $ 33,477 $ 42,008 $ 49,959
Device and Media [Member] | Product Concentration Risk | Revenue Benchmark                
Revenues from External Customers and Long-Lived Assets                
Concentration risk percentage 11.00% 10.00% 12.00% 10.00%   11.00% 10.00% 13.00%
Service                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax $ 27,174 $ 28,161 $ 53,727 $ 56,476   $ 113,868 $ 124,599 $ 131,967
Service | Product Concentration Risk | Revenue Benchmark                
Revenues from External Customers and Long-Lived Assets                
Concentration risk percentage 39.00% 37.00% 38.00% 34.00%   37.00% 30.00% 34.00%
Royalty [Member]                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax $ 2,363 $ 2,228 $ 5,265 $ 5,194   $ 10,131 $ 13,705 $ 15,377
Royalty [Member] | Geographic Concentration Risk | Revenue Benchmark                
Revenues from External Customers and Long-Lived Assets                
Concentration risk percentage 3.00% 3.00% 4.00% 3.00%   3.00% 3.00% 4.00%
Royalty [Member] | Product Concentration Risk | Revenue Benchmark                
Revenues from External Customers and Long-Lived Assets                
Concentration risk percentage 3.00% 3.00% 4.00% 3.00%   3.00% 3.00% 4.00%
Subscriptions                
Revenues from External Customers and Long-Lived Assets                
Revenue from Contract with Customer, Excluding Assessed Tax $ 4,100 $ 1,000 $ 5,000 $ 2,500