The Company and Its Significant Accounting Policies - Impact on Previously Reported Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Oct. 01, 2021	Sep. 30, 2021	Jun. 30, 2021
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Goodwill	$ 2,363,109			$ 1,772,043
Current liabilities:
Deferred revenue	31,600			12,900
Stockholders' equity:
Accumulated deficit	(459,886)			(247,467)
ASU 2021-08 adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Goodwill	$ 8,278	$ 2,363,090
Current liabilities:
Deferred revenue		29,408
Non-current liabilities:
Deferred Income Tax Liabilities, Net		2,649
Stockholders' equity:
Accumulated deficit		(292,726)
AS Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Goodwill			$ 2,354,812
Current liabilities:
Deferred revenue			21,328
Non-current liabilities:
Deferred Income Tax Liabilities, Net			3,877	9,090
Stockholders' equity:
Accumulated deficit			$ (294,152)	$ (247,467)
Revision of Prior Period, Adjustment | ASU 2021-08 adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Goodwill		8,278
Current liabilities:
Deferred revenue		8,080
Non-current liabilities:
Deferred Income Tax Liabilities, Net		(1,228)
Stockholders' equity:
Accumulated deficit		$ 1,426