Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
REVENUE:
Net revenue	$ 2,327.1	$ 2,328.5	$ 4,510.0	$ 4,505.4
Billable expenses	382.9	338.0	695.9	682.1
Total revenue	2,710.0	2,666.5	5,205.9	5,187.5
OPERATING EXPENSES:
Salaries and related expenses	1,557.6	1,598.6	3,130.4	3,175.9
Office and other direct expenses	358.4	340.5	680.5	670.8
Billable expenses	382.9	338.0	695.9	682.1
Cost of services	2,298.9	2,277.1	4,506.8	4,528.8
Selling, general and administrative expenses	27.6	13.9	65.6	26.8
Depreciation and amortization	65.0	66.5	130.2	133.0
Restructuring charges	0.3	(1.7)	0.9	(0.1)
Total operating expenses	2,391.8	2,355.8	4,703.5	4,688.5
OPERATING INCOME	318.2	310.7	502.4	499.0
EXPENSES AND OTHER INCOME:
Interest expense	(57.9)	(55.8)	(120.7)	(105.5)
Interest income	36.6	28.1	85.3	62.2
Other Expense, Net	(1.2)	(4.4)	(10.7)	(11.1)
Total (expenses) and other income	(22.5)	(32.1)	(46.1)	(54.4)
Income before income taxes	295.7	278.6	456.3	444.6
Provision for income taxes	75.6	10.6	122.9	44.4
Income of consolidated companies	220.1	268.0	333.4	400.2
Equity in net (loss) income of unconsolidated affiliates	(0.5)	0.7	(0.2)	0.6
NET INCOME	219.6	268.7	333.2	400.8
Net income attributable to noncontrolling interests	(5.1)	(3.2)	(8.3)	(9.3)
NET INCOME AVAILABLE TO IPG COMMON STOCKHOLDERS	$ 214.5	$ 265.5	$ 324.9	$ 391.5
Earnings per share, Basic	$ 0.57	$ 0.69	$ 0.86	$ 1.01
Earnings per share, Diluted	$ 0.57	$ 0.68	$ 0.86	$ 1.01
Weighted-average number of common shares outstanding, Basic	376.3	385.7	377.4	385.8
Weighted-average number of common shares outstanding, Diluted	378.7	387.7	379.7	387.6