Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions		Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Cash and cash equivalents		$ 571.1	$ 639.0
Accounts receivable, less allowance for doubtful accounts of $102.8 and $109.3, respectively		4,600.2	5,137.4
Prepaid expenses and other assets		165.3	158.0
Total current assets		5,336.6	5,934.4
Other Assets:
Goodwill	[1]	1,620.1	1,628.1
Intangible assets, less accumulated amortization of $492.7 and $468.3, respectively		523.6	549.5
Operating lease right-of-use assets		400.1	365.7
Other assets		588.8	540.5
Total other assets		3,132.6	3,083.8
Property and Equipment:
Land, buildings, leasehold improvements and equipment		510.9	584.9
Less: accumulated depreciation and amortization		391.3	472.7
Net property and equipment		119.6	112.2
Total assets		8,588.8	9,130.4
Current Liabilities:
Accounts payable		2,578.2	2,831.4
Employee compensation payable		226.0	271.7
Accrued liabilities		563.6	572.6
Accrued payroll taxes and insurance		644.5	746.7
Value added taxes payable		401.8	462.7
Short-term borrowings and current maturities of long-term debt		13.6	26.6
Total current liabilities		4,427.7	4,911.7
Other Liabilities:
Long-term debt		948.5	959.9
Long-term operating lease liability		306.2	266.6
Other long-term liabilities		493.1	534.1
Total other liabilities		1,747.8	1,760.6
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 118,378,414 and 118,028,009 shares, respectively		1.2	1.2
Capital in excess of par value		3,505.0	3,484.2
Retained earnings		3,968.7	3,868.5
Accumulated other comprehensive loss		(483.1)	(458.7)
Treasury stock at cost, 69,266,511 and 67,468,433 shares, respectively		(4,589.1)	(4,447.9)
Total ManpowerGroup shareholders’ equity		2,402.7	2,447.3
Noncontrolling interests		10.6	10.8
Total shareholders’ equity		2,413.3	2,458.1
Total liabilities and shareholders’ equity		$ 8,588.8	$ 9,130.4

[1] Balances were net of accumulated impairment loss of $694.2 as of both September 30, 2023 and December 31, 2022.