Income Taxes - Summary of Income Tax Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns
Unrecognized tax benefits at the beginning of the year	$ 63,994	$ 68,439	$ 50,365
Increases for tax positions from acquisitions	60,753	0	0
Increases for tax positions taken in prior years	13,001	4,642	6,788
Decreases for tax positions taken in prior years	(1,304)	(6,045)	(246)
Increases for tax positions taken in current year	26,178	16,812	14,696
Decreases for settlements with taxing authorities	0	(9,666)	0
Decreases for lapsing of statutes of limitations	(16,196)	(10,188)	(3,164)
Unrecognized tax benefits at the end of the year	$ 146,426	$ 63,994	$ 68,439

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Amount of unrecognized tax benefits.

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