Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
REVENUE:
Net revenue	$ 2,182.9	$ 2,176.9
Billable expenses	313.0	344.1
Total revenue	2,495.9	2,521.0
OPERATING EXPENSES:
Salaries and related expenses	1,572.8	1,577.3
Office and other direct expenses	322.1	330.3
Billable expenses	313.0	344.1
Cost of services	2,207.9	2,251.7
Selling, general and administrative expenses	38.0	12.9
Depreciation and amortization	65.2	66.5
Restructuring charges	0.6	1.6
Total operating expenses	2,311.7	2,332.7
OPERATING INCOME	184.2	188.3
EXPENSES AND OTHER INCOME:
Interest expense	(62.8)	(49.7)
Interest income	48.7	34.1
Other (Expense) Income, Net	(9.5)	(6.7)
Total (expenses) and other income	(23.6)	(22.3)
Income before income taxes	160.6	166.0
Provision for income taxes	47.3	33.8
Income of consolidated companies	113.3	132.2
Equity in net (loss) income of unconsolidated affiliates	0.3	(0.1)
NET INCOME	113.6	132.1
Net income attributable to noncontrolling interests	(3.2)	(6.1)
NET INCOME AVAILABLE TO IPG COMMON STOCKHOLDERS	$ 110.4	$ 126.0
Earnings per share, Basic	$ 0.29	$ 0.33
Earnings per share, Diluted	$ 0.29	$ 0.33
Weighted-average number of common shares outstanding, Basic	378.4	385.8
Weighted-average number of common shares outstanding, Diluted	380.6	387.4