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Income Taxes - Schedule of Reconciliation of Income Tax Expense at Statutory U.S. Federal Rate to Reported Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Taxes at statutory rate									$ 74,044	$ (13,425)	$ 27,051
Increase (decrease) in taxes resulting from:
State income taxes-net of federal benefit									1,246	1,194	(1,212)
Taxes on non U.S. earnings									(26,557)	(915)	(5,857)
Valuation allowance									(3,720)	(9,365)	(6,703)
Research and manufacturing incentive deductions and credits									(22,968)	(15,836)	(11,756)
Stock compensation									(2,500)	4,334	(1,914)
Repatriation tax									0	0	14,108
GILTI and FDII									27,369	36,067	6,437
Other									8,124	1,047	1,142
Total Income Tax Expense	$ 10,957	$ 12,387	$ 18,383	$ 13,311	$ (10,550)	$ 27,417	$ (9,242)	$ (4,524)	$ 55,038	$ 3,101	$ 21,296
Taxes at statutory rate									21.00%	21.00%	21.00%
Increase (decrease) in taxes resulting from:
State income taxes-net of federal benefit, rate									0.00%	(2.00%)	(1.00%)
Taxes on non U.S. earnings, rate									(7.00%)	1.00%	(5.00%)
Valuation allowance, rate									(1.00%)	15.00%	(5.00%)
Research and manufacturing incentive deductions and credits, rate									(6.00%)	25.00%	(9.00%)
Stock compensation, rate									(1.00%)	(7.00%)	(1.00%)
Repatriation tax, rate									0.00%	0.00%	11.00%
GILTI and FDII, rate									8.00%	(56.00%)	5.00%
Other, rate									2.00%	(2.00%)	1.00%
Total Effective Income Tax, rate									16.00%	(5.00%)	17.00%

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