Pension and Other Post-retirement Benefit Plans - Narrative (Details) $ in Thousands	12 Months Ended
	Mar. 31, 2020 USD ($) plan	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of Fiscal Years	10 years
Number of defined benefit plans | plan	12
Gains net of the employer matches related to the deferred compensation plan	$ 47	$ 51	$ 206
Total benefits accrued	400	2,300
Matched contribution of the entity	3,200	2,800	2,200
Defined Benefit Plan Accumulated Other Comprehensive Income (Loss) Tax	$ 3,500	2,400
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Company matched contribution (as a percent)	6.00%
Pension
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Other Income	$ (1,949)	(115)	71
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year	200
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year	4,400
Defined Benefit Plan, Expected Amortization of Prior Service Cost (Credit), Next Fiscal Year	200
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Other Income	0	$ 0	$ 0
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year	$ 100
Number of defined benefit plans | plan	2
Europe | Pension
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit plans | plan	6
Singapore | Pension
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit plans | plan	1
Mexico | Pension
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit plans | plan	2
Japan | Pension
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit plans | plan	2
THAILAND | Pension
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit plans | plan	1