Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions		Sep. 30, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Cash and cash equivalents		$ 274.6	$ 509.4
Accounts receivable, less allowance for expected credit losses of $79.1 and $67.6, respectively		4,632.3	4,297.2
Prepaid expenses and other assets		194.0	163.7
Total current assets		5,100.9	4,970.3
Other Assets:
Goodwill	[1]	1,543.9	1,563.4
Intangible assets, less accumulated amortization of $571.8 and $530.4, respectively		437.0	486.1
Operating lease right-of-use assets		402.4	361.3
Other assets		837.8	701.5
Total other assets		3,221.1	3,112.3
Property and Equipment:
Land, buildings, leasehold improvements and equipment		543.2	488.2
Less: accumulated depreciation and amortization		418.3	369.8
Net property and equipment		124.9	118.4
Total assets		8,446.9	8,201.0
Current Liabilities:
Accounts payable		2,577.5	2,612.9
Employee compensation payable		238.2	241.1
Accrued payroll taxes and insurance		629.2	615.2
Accrued liabilities		427.9	475.1
Value added taxes payable		396.4	370.8
Short-term operating lease liability		106.9	98.6
Short-term borrowings and current maturities of long-term debt		747.8	23.4
Total current liabilities		5,123.9	4,437.1
Other Liabilities:
Long-term debt		468.3	929.4
Long-term operating lease liability		314.1	279.0
Other long-term liabilities		529.2	428.6
Total other liabilities		1,311.6	1,637.0
Shareholders' Equity:
Preferred stock, $.01 par value, authorized 25,000,000 shares, none issued		0.0	0.0
Common stock, $.01 par value, authorized 125,000,000 shares, issued 119,161,655 and 118,853,620 shares, respectively		1.2	1.2
Capital in excess of par value		3,565.5	3,546.1
Retained earnings		3,735.5	3,812.3
Accumulated other comprehensive loss		(457.1)	(443.0)
Treasury stock at cost, 72,864,475 and 72,105,407 shares, respectively		(4,834.3)	(4,791.4)
Total ManpowerGroup shareholders’ equity		2,010.8	2,125.2
Noncontrolling interests		0.6	1.7
Total shareholders’ equity		2,011.4	2,126.9
Total liabilities and shareholders’ equity		$ 8,446.9	$ 8,201.0

[1] Balances were net of accumulated impairment loss of $807.4 and $749.3 as of September 30, 2025 and December 31, 2024, respectively.