Supplementary Data (Tables)

9 Months Ended

Sep. 30, 2025

Supplementary Data [Abstract]

Accrued Liabilities

The following table presents the components of accrued liabilities.

	September 30, 2025		December 31, 2024
Salaries, benefits and related expenses	$	384.3	$	432.1
Interest	37.9		37.5
Income taxes payable	0.1		80.3
Office and related expenses	16.4		18.7
Acquisition obligations	0.3		5.3
Restructuring charges	74.9		0.4
Other	101.6		87.3
Total accrued liabilities	$	615.5	$	661.6

Other Expense, Net

Results of operations for the three and nine months ended September 30, 2025 and 2024 include certain items that are not directly associated with our revenue-producing operations.

	Three months ended September 30,				Nine months ended September 30,
	2025		2024		2025		2024
Net gains/(losses) on sales of businesses	$	4.5	$	(1.7)	$	(30.0)	$	(6.4)
Other	(10.2)		(1.0)		(14.0)		(7.0)
Total other expense, net	$	(5.7)	$	(2.7)	$	(44.0)	$	(13.4)

Class of Treasury Stock

The following table presents our share repurchase activity under our share repurchase programs for the nine months ended September 30, 2025 and 2024.

	Nine months ended September 30,
	2025		2024
Number of shares repurchased	10.1		7.3
Aggregate cost, including fees1	$	257.4	$	230.1
Average price per share, including fees	$	25.39	$	31.40

1The amount for the nine months ended September 30, 2025 and 2024 excludes $2.1 and $1.9 of estimated excise tax on net share repurchases, respectively.

Redeemable Noncontrolling Interest

The following table presents changes in our redeemable non-controlling interests.

	Nine months ended September 30,
	2025		2024
Balance at beginning of period	$	45.6	$	42.3
Change in related non-controlling interests balance	(1.9)		1.3
Changes in redemption value of redeemable non-controlling interests:
Additions	8.6		2.7
Redemptions and other	(15.6)		(6.1)
Redemption value adjustments	(20.2)		5.1
Currency translation adjustments	0.5		0.3
Balance at end of period	$	17.0	$	45.6

Schedule of Goodwill

The following table sets forth details of changes in goodwill by reportable segment of the Company:

	MD&E		IA&C		SC&E		Total
Balance at December 31, 20241	$	2,332.8	$	1,681.8	$	674.8	$	4,689.4
Goodwill Reallocation	2.7		(2.7)		—		—
Acquisitions/(Dispositions)2	48.2		—		(45.0)		3.2
Foreign currency and other	14.7		35.6		7.5		57.8
Balance at September 30, 20251	$	2,398.4	$	1,714.7	$	637.3	$	4,750.4

1 The goodwill balances at December 31, 2024 and September 30, 2025 include $207.2 of accumulated impairment within the MD&E reportable segment.

2 The amount for the nine months ended September 30, 2025 within our MD&E segment is due to the acquisition of an e-commerce, intelligence platform, for which we paid $54.2, net of cash acquired. The amount for the nine months ended September 30, 2025 within our SC&E segment represents goodwill allocated to a business which is held for sale.