Annual report pursuant to Section 13 and 15(d)

REVENUE RECOGNITION - Schedule of Revenue by Geographical Region (Details)

v3.20.1
REVENUE RECOGNITION - Schedule of Revenue by Geographical Region (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue $ 402,949 $ 402,680 $ 437,684
Americas      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 225,238 227,604 241,899
EMEA      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 121,037 115,848 120,563
APAC      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 35,943 35,898 42,643
Primary storage systems      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 77,152 58,811 77,976
Primary storage systems | Americas      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 54,211 33,789 44,693
Primary storage systems | EMEA      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 16,078 18,902 24,006
Primary storage systems | APAC      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 6,863 6,120 9,277
Secondary storage systems      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 111,672 126,528 121,402
Secondary storage systems | Americas      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 57,192 72,696 69,582
Secondary storage systems | EMEA      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 40,008 40,666 37,376
Secondary storage systems | APAC      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 14,472 13,166 14,444
Device and media      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 62,344 59,315 69,204
Device and media | Americas      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 31,228 34,079 39,664
Device and media | EMEA      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 25,484 19,064 21,306
Device and media | APAC      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 5,632 6,172 8,234
Service      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 131,050 134,696 136,523
Service | Americas      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 82,607 87,040 87,960
Service | EMEA      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 39,467 37,216 37,875
Service | APAC      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 8,976 10,440 10,688
Royalty      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue $ 20,731 $ 23,330 $ 32,579