Income Taxes 1 of 2 (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Abstract]
Expected tax at statutory rate			$ 16,203	$ 11,108	$ 15,676
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount			$ 0	$ (1,500)	$ 17,602
Expected tax rate (percentage)	2100.00%	3500.00%	21.00%	21.00%	31.55%
State income taxes net of federal benefit			$ 1,397	$ 1,728	$ (37)
Foreign taxes at rates other than statutory federal rate			1,102	(145)	(2,667)
Effective Income Tax Rate Reconciliation, Disposition of Business, Amount			0	4,041	0
Permanent items (8), (9)	$ (1,694)		266	(1,694)	(2,220)
Valuation allowance (4), (6)			(1,184)	13,190	(104)
Foreign tax credits (4)			0	15,371	0
Federal tax credits (7)			(1,903)	(1,376)	(612)
Other			1,603	340	(18)
Income tax expense			17,484	10,321	27,620
Current income tax expense (benefit):
United States Federal			(2,491)	(1,663)	1,109
State taxes			626	394	402
Foreign			11,984	12,548	6,141
Deferred income tax expense (benefit):
United States			7,827	5,873	21,177
Foreign			(462)	(6,831)	(1,209)
Income tax expense			$ 17,484	$ 10,321	$ 27,620