Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions		Jun. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Cash and cash equivalents		$ 468.9	$ 581.3
Accounts receivable, less allowance for expected credit losses of $94.2 and $99.2, respectively		4,595.7	4,830.0
Prepaid expenses and other assets		168.7	160.8
Total current assets		5,233.3	5,572.1
Other Assets:
Goodwill	[1]	1,573.2	1,586.8
Intangible assets, less accumulated amortization of $519.2 and $507.2, respectively		499.8	519.6
Operating lease right-of-use assets		381.5	414.0
Other assets		643.7	607.8
Total other assets		3,098.2	3,128.2
Property and Equipment:
Land, buildings, leasehold improvements and equipment		513.7	526.5
Less: accumulated depreciation and amortization		391.6	396.6
Net property and equipment		122.1	129.9
Total assets		8,453.6	8,830.2
Current Liabilities:
Accounts payable		2,589.5	2,723.0
Employee compensation payable		221.3	243.1
Accrued liabilities		572.2	693.0
Accrued payroll taxes and insurance		656.8	695.8
Value added taxes payable		401.4	432.7
Short-term borrowings and current maturities of long-term debt		136.8	12.1
Total current liabilities		4,578.0	4,799.7
Other Liabilities:
Long-term debt		961.7	990.5
Long-term operating lease liability		294.8	323.2
Other long-term liabilities		473.2	482.7
Total other liabilities		1,729.7	1,796.4
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 118,844,046 and 118,387,641 shares, respectively		1.2	1.2
Capital in excess of par value		3,524.3	3,514.9
Retained earnings		3,839.3	3,813.0
Accumulated other comprehensive loss		(500.4)	(466.0)
Treasury stock at cost, 71,136,605 and 69,963,649 shares, respectively		(4,727.5)	(4,639.8)
Total ManpowerGroup shareholders’ equity		2,136.9	2,223.3
Noncontrolling interests		9.0	10.8
Total shareholders’ equity		2,145.9	2,234.1
Total liabilities and shareholders’ equity		$ 8,453.6	$ 8,830.2

[1] Balances were net of accumulated impairment loss of $749.3 as of both June 30, 2024 and December 31, 2023.