Pension and Other Postretirement Benefits - Net Funded Status (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Accrued noncurrent benefit liability recorded in pension, postretirement, and other long-term liabilities	$ (74,389)	$ (73,308)
Funded status of the plan	(49,766)	(51,838)
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Noncurrent benefit asset recorded in other noncurrent assets	0	0
Accrued current benefit liability recorded in accrued expenses and other current liabilities	(3,264)	(3,151)
Accrued noncurrent benefit liability recorded in pension, postretirement, and other long-term liabilities	(49,384)	(46,380)
Funded status of the plan	(52,648)	(49,531)
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Noncurrent benefit asset recorded in other noncurrent assets	14,745	10,389
Accrued current benefit liability recorded in accrued expenses and other current liabilities	(1,227)	(1,167)
Accrued noncurrent benefit liability recorded in pension, postretirement, and other long-term liabilities	(10,636)	(11,529)
Funded status of the plan	$ 2,882	$ (2,307)