Acquisitions and Dispositions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 02, 2025	Dec. 31, 2024	Dec. 19, 2024	Oct. 01, 2024	Jan. 02, 2024
Business Acquisition [Line Items]
Goodwill	$ (1,600,714)		$ (1,554,146)
Team Epiphany
Business Acquisition [Line Items]
Cash and cash equivalents						$ 1,095
Accounts receivable						8,283
Other current assets						402
Fixed assets						184
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						4,316
Right-of-use lease assets - operating leases						2,788
Accounts payable						1,086
Accruals and other liabilities						(664)
Advance billings						(8,808)
Current portion of lease liabilities						(516)
Net liabilities assumed						(8,217)
Goodwill						(8,452)
Purchase price consideration						16,669
Long-term portion of lease liabilities						(2,600)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current, Expenditures Billables						$ 4,823
Unicepta
Business Acquisition [Line Items]
Cash and cash equivalents				$ 2,723
Accounts receivable				9,354
Other current assets				575
Fixed assets				429
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				36,833
Other assets				140
Right-of-use lease assets - operating leases				5,911
Accounts payable				2,808
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other				(6,998)
Advance billings				(951)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other				(406)
Current portion of lease liabilities				(1,071)
Net liabilities assumed				(27,831)
Goodwill				(34,583)
Purchase price consideration				62,414
Long-term portion of lease liabilities				(5,400)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities				$ (10,500)
Consulum
Business Acquisition [Line Items]
Cash and cash equivalents					$ 2,151
Accounts receivable					26,845
Other current assets					3,094
Fixed assets					2,032
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					57,200
Right-of-use lease assets - operating leases					2,173
Accounts payable					2,078
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other					(9,167)
Advance billings					(5,425)
Current portion of lease liabilities					(983)
Net liabilities assumed					(66,159)
Goodwill					(16,687)
Purchase price consideration					82,846
Long-term portion of lease liabilities					(1,065)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities					$ (8,618)
ADK Group
Business Acquisition [Line Items]
Cash and cash equivalents		$ 34,200
Accounts receivable		15,307
Other current assets		7,529
Fixed assets		924
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		103
Other assets		628
Right-of-use lease assets - operating leases		2,100
Accounts payable		5,188
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other		(23,524)
Advance billings		(3,292)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other		(979)
Current portion of lease liabilities		(1,500)
Net liabilities assumed		(25,708)
Long-term portion of lease liabilities		$ (600)