Business Acquisitions (Preliminary Purchase Consideration) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Business Acquisition [Line Items]
Intangible assets	$ 226,325
Goodwill	1,572,854	$ 1,546,065
Amount expected to be uncollectable	0
Expected income tax deductible amount	0
TDS
Business Acquisition [Line Items]
Cash	142,957
Accounts receivable and other current assets	171,290
Intangible assets	108,924
Goodwill	80,835
Deferred tax asset, noncurrent	0
Other assets	289
Accounts payable and other current liabilities	(290,266)
Deferred tax liability, noncurrent	(25,580)
Deferred revenue, noncurrent	0
Other noncurrent liabilities	(861)
Total	187,588
Goodwill measurement period adjustments	300
Accounts receivable	170,700
CNET
Business Acquisition [Line Items]
Cash	0
Accounts receivable and other current assets	21,930
Intangible assets	111,650
Goodwill	24,930
Deferred tax asset, noncurrent	7,355
Other assets	655
Accounts payable and other current liabilities	(3,841)
Deferred tax liability, noncurrent	0
Deferred revenue, noncurrent	(7,958)
Other noncurrent liabilities	0
Total	154,721
Accounts receivable	$ 21,200