Disposition of Business (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended		12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Sep. 30, 2019	Feb. 01, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Equity Method Investment Retained after Disposal, Ownership Interest Prior to Disposal							1.80%
Disposal Group, Deferred Gain on Disposal							$ 9,800
Cash Provided by (Used in) Operating Activities, Discontinued Operations					$ (13,307)	$ 71,902
Document Fiscal Year Focus					2020
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net							67,928
Provision for Income Taxes, Discontinued Operations			$ (2,934)			(7,003)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	$ 0	$ (20,006)	9,946		$ (6,192)	120,884
Depreciation, Discontinued Operations			1,993			6,585
Disposal Group, Including Discontinued Operation, Depreciation and Amortization			5,458			23,059
Stock Compensation Expense, Discontinued Operations			5,751			22,770
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets							23,930
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment							20,113
Disposal Group, Including Discontinued Operation, Goodwill							1,115,568
Disposal Group, Including Discontinued Operation, Intangible Assets							65,561
Disposal Group, Including Discontinued Operation, Other Assets							35,366
Disposal Group, Including Discontinued Operation, Assets							1,328,466
Disposal Group, Including Discontinued Operation, Accounts Payable							14,039
Disposal Group, Including Discontinued Operation, Accrued Liabilities							27,429
Disposal Group, Including Discontinued Operation, Deferred Revenue							353,700
Disposal Group, Including Discontinued Operation, Revenue			71,760			286,168
Disposal Group, Including Discontinued Operation, Consideration								$ 404,000
Disposal Group, Including Discontinued Operation, Costs of Goods Sold			18,921			87,517
Disposal Group, Including Discontinued Operation, Operating Income (Loss)			7,012			11,510
Disposal Group, Including Discontinued Operation, Other Liabilities							21,603
Disposal Group, Including Discontinued Operation, Liabilities							$ 416,771
Gain (Loss) on Disposition of Business			0	$ 102,400		102,371
Disposal Group, Capital Expenditures			(1,382)			(3,253)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	16,662	$ (20,006)	(687)		51,533	(15,203)
Restructuring Charges [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			14,171			47,473
Other Operating Income			149			101
Acquisition-related Costs [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			366			397
Other Expense [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			3,132			14,615
General and Administrative Expense
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			587			3,732
Sales and marketing
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			6,898			51,392
Research and Development
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			20,524			69,633
Imaging [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Provision for Income Taxes, Discontinued Operations			0			(2,688)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent			0			99,472
Depreciation, Discontinued Operations			0			391
Disposal Group, Including Discontinued Operation, Depreciation and Amortization			0			6,569
Stock Compensation Expense, Discontinued Operations			0			7,103
Disposal Group, Including Discontinued Operation, Revenue			0			67,430
Disposal Group, Including Discontinued Operation, Costs of Goods Sold			0			16,946
Disposal Group, Including Discontinued Operation, Operating Income (Loss)			0			(5,587)
Gain (Loss) on Disposition of Business			0			102,371
Disposal Group, Capital Expenditures			0			0
Imaging [Member] | Restructuring Charges [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			0			13,251
Other Operating Income			0			0
Imaging [Member] | Acquisition-related Costs [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			0			(386)
Imaging [Member] | Other Expense [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			0			5,219
Imaging [Member] | General and Administrative Expense
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			0			1,997
Imaging [Member] | Sales and marketing
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			0			28,433
Imaging [Member] | Research and Development
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense			0			7,557
Automotive Segment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Provision for Income Taxes, Discontinued Operations	0		(2,934)		1,194	(4,315)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	0		9,946		(6,192)	21,412
Depreciation, Discontinued Operations	0		1,993		0	6,194
Disposal Group, Including Discontinued Operation, Depreciation and Amortization	0		5,458		0	16,490
Stock Compensation Expense, Discontinued Operations	0		5,751		0	15,667
Disposal Group, Including Discontinued Operation, Revenue	0		71,760		0	218,738
Disposal Group, Including Discontinued Operation, Costs of Goods Sold	0		18,921		0	70,571
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	0		7,012		(7,386)	17,097
Gain (Loss) on Disposition of Business	0		0		0	0
Disposal Group, Capital Expenditures	0		(1,382)		0	(3,253)
Automotive Segment [Member] | Restructuring Charges [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense	0		14,171		7,386	34,222
Other Operating Income	0		149		0	101
Automotive Segment [Member] | Acquisition-related Costs [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense	0		366		0	783
Automotive Segment [Member] | Other Expense [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense	0		3,132		0	9,396
Automotive Segment [Member] | General and Administrative Expense
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense	0		587		0	1,735
Automotive Segment [Member] | Sales and marketing
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense	0		6,898		0	22,959
Automotive Segment [Member] | Research and Development
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Operating Expense	$ 0		$ 20,524		$ 0	$ 62,076