Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ 1,700	$ 2,000	$ 18,500	$ 6,600
Current Federal Tax Expense (Benefit)	(1,500)		9,500	200
Foreign Tax Authority [Member]
Income Tax Contingency [Line Items]
Foreign Income Tax Expense (Benefit), Continuing Operations	3,000	2,000	8,700	6,700
Tax Adjustments, Settlements, and Unusual Provisions		$ 1,200		300
State and Local Jurisdiction [Member]
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ 200		$ 300	$ 300