BUSINESS SEGMENT INFORMATION (Tables)

12 Months Ended

Dec. 31, 2025

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Segment operating income for the years ended December 31, 2025, 2024 and 2023 is reconciled to loss from continuing operations before income taxes as follows:

	Years Ended December 31,
	2025		2024		2023
Revenues	$	2,723.4	$	2,696.4	$	2,842.5
Less:
Pass through costs	1,027.6		939.4		976.4
Direct costs	1,191.4		1,221.7		1,275.4
Selling, general and administrative expenses	397.3		415.8		392.3
Depreciation	19.7		24.5		28.6
Segment operating income	87.4		95.0		169.8
Corporate costs not included in segment operating income	59.7		146.0		55.9
Amortization	58.3		60.8		60.7
Goodwill and other asset impairments	797.9		—		—
Restructuring and other charges	44.1		50.1		21.2
Operating (loss) income	(872.6)		(161.9)		32.0
Interest expense	(91.4)		(123.8)		(69.7)
Foreign exchange (loss) gain	(26.9)		(10.6)		0.3
Other, net	7.9		21.3		6.9
Loss from continuing operations before income taxes	$	(983.0)	$	(275.0)	$	(30.5)