Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions		Sep. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Cash and cash equivalents		$ 527.5	$ 847.8
Accounts receivable, less allowance for doubtful accounts of $108.8 and $121.6, respectively		4,720.3	5,448.2
Prepaid expenses and other assets		174.0	126.7
Total current assets		5,421.8	6,422.7
Other Assets:
Goodwill	[1]	1,640.4	1,722.2
Intangible assets, less accumulated amortization of $449.3 and $441.3, respectively		553.9	583.6
Operating lease right-of-use assets		306.7	373.4
Other assets		529.7	610.2
Total other assets		3,030.7	3,289.4
Property and Equipment:
Land, buildings, leasehold improvements and equipment		537.3	594.9
Less: accumulated depreciation and amortization		432.9	478.1
Net property and equipment		104.4	116.8
Total assets		8,556.9	9,828.9
Current Liabilities:
Accounts payable		2,584.4	3,039.2
Employee compensation payable		236.7	299.4
Accrued liabilities		536.2	584.7
Accrued payroll taxes and insurance		663.2	789.1
Value added taxes payable		416.3	515.5
Short-term borrowings and current maturities of long-term debt		13.2	552.6
Total current liabilities		4,450.0	5,780.5
Other Liabilities:
Long-term debt		883.0	565.7
Long-term operating lease liability		216.9	275.8
Other long-term liabilities		590.4	675.2
Total other liabilities		1,690.3	1,516.7
ManpowerGroup 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 118,024,212 and 117,762,065 shares, respectively		1.2	1.2
Capital in excess of par value		3,472.3	3,444.7
Retained earnings		3,888.5	3,634.6
Accumulated other comprehensive loss		(533.2)	(389.4)
Treasury stock at cost, 67,091,012 and 64,165,136 shares, respectively		(4,422.7)	(4,169.4)
Total ManpowerGroup shareholders’ equity		2,406.1	2,521.7
Noncontrolling interests		10.5	10.0
Total shareholders’ equity		2,416.6	2,531.7
Total liabilities and shareholders’ equity		$ 8,556.9	$ 9,828.9

[1] Balances were net of accumulated impairment loss of $644.2 as of both September 30, 2022 and December 31, 2021.