Income Taxes - Provision For (Benefit From) Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Income Tax Reconciliation
Federal tax provision at statutory rate	$ 63,670
State income taxes	1,540
Remeasurement of deferred taxes	0
Foreign-derived intangible income (FDII)	(20,326)
Global intangible low-taxed income (GILTI)	797
Effect of foreign operations	7,395
Foreign taxes and rate differences	514
Stock-based compensation	(3,774)
Tax credits	(9,677)
Uncertain tax positions	1,055
Return to provision adjustments	(482)
Domestic production activity deduction	0
Valuation allowance	(550)
Other	294
Provision for income taxes	$ 40,456	$ 54,655	$ 48,150
Accounting Standards Update 2014-09 (Topic 606) [Member]
Income Tax Reconciliation
Federal tax provision at statutory rate		66,683	83,014
State income taxes		1,503	1,167
Remeasurement of deferred taxes		(115,536)	0
Foreign-derived intangible income (FDII)		0	0
Global intangible low-taxed income (GILTI)		0	0
Effect of foreign operations		4,700	2,912
Foreign taxes and rate differences		(164)	(206)
Stock-based compensation		(2,951)	991
Tax credits		(7,913)	(6,614)
Uncertain tax positions		(185)	(19,645)
Return to provision adjustments		(488)	464
Domestic production activity deduction		(4,869)	(6,261)
Valuation allowance		2,326	1,522
Other		837	453
Provision for income taxes		$ (56,057)	$ 57,797