CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	Accumulated Other Comprehensive Income/(Loss)	Additional Paid-In Capital	Retained Earnings	Total MiX Telematics Limited Stockholders’ Equity	Non-Controlling Interest
Beginning balance (in shares) at Mar. 31, 2021		605,579
Beginning balance at Mar. 31, 2021	$ 123,399	$ 67,401	$ (17,315)	$ 1,924	$ (5,326)	$ 76,710	$ 123,394	$ 5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,830					4,830	4,830
Other comprehensive loss	(1,581)			(1,581)			(1,581)
Issuance of common stock in relation to SARs and RSUs exercised (in shares)		856
Issuance of common stock in relation to SARs and RSUs exercised	0
Stock-based compensation	694				694		694
Dividends	(3,072)					(3,072)	(3,072)
Ending balance (in shares) at Sep. 30, 2021		606,435
Ending balance at Sep. 30, 2021	124,270	$ 67,401	(17,315)	343	(4,632)	78,468	124,265	5
Beginning balance (in shares) at Jun. 30, 2021		606,080
Beginning balance at Jun. 30, 2021	128,895	$ 67,401	(17,315)	5,087	(4,962)	78,679	128,890	5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,299					1,299	1,299
Other comprehensive loss	(4,744)			(4,744)			(4,744)
Issuance of common stock in relation to SARs and RSUs exercised (in shares)		355
Issuance of common stock in relation to SARs and RSUs exercised	0
Stock-based compensation	330				330		330
Dividends	(1,510)					(1,510)	(1,510)
Ending balance (in shares) at Sep. 30, 2021		606,435
Ending balance at Sep. 30, 2021	$ 124,270	$ 67,401	(17,315)	343	(4,632)	78,468	124,265	5
Beginning balance (in shares) at Mar. 31, 2022	605,200	605,177
Beginning balance at Mar. 31, 2022	$ 126,697	$ 64,390	(17,315)	3,909	(4,001)	79,709	126,692	5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(528)					(528)	(528)
Other comprehensive loss	(18,609)			(18,609)			(18,609)
Issuance of common stock in relation to SARs and RSUs exercised (in shares)		1,054
Issuance of common stock in relation to SARs and RSUs exercised	0	$ 0					0
Stock-based compensation	51				51		51
Dividends	(2,712)					(2,712)	(2,712)
Ordinary shares repurchased and cancelled (in shares)		(328)
Ordinary shares repurchased and cancelled	$ (107)	$ (107)					(107)
Ending balance (in shares) at Sep. 30, 2022	605,900	605,903
Ending balance at Sep. 30, 2022	$ 104,792	$ 64,283	(17,315)	(14,700)	(3,950)	76,469	104,787	5
Beginning balance (in shares) at Jun. 30, 2022		606,231
Beginning balance at Jun. 30, 2022	115,733	$ 64,390	(17,315)	(6,123)	(4,193)	78,969	115,728	5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(1,206)					(1,206)	(1,206)
Other comprehensive loss	(8,577)			(8,577)			(8,577)
Stock-based compensation	243				243		243
Dividends	(1,294)					(1,294)	(1,294)
Ordinary shares repurchased and cancelled (in shares)		(328)
Ordinary shares repurchased and cancelled	$ (107)	$ (107)					(107)
Ending balance (in shares) at Sep. 30, 2022	605,900	605,903
Ending balance at Sep. 30, 2022	$ 104,792	$ 64,283	$ (17,315)	$ (14,700)	$ (3,950)	$ 76,469	$ 104,787	$ 5