Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Cash and cash equivalents		$ 886.2	$ 847.8
Accounts receivable, less allowance for doubtful accounts of $115.9 and $121.6, respectively		5,343.9	5,448.2
Prepaid expenses and other assets		171.8	126.7
Total current assets		6,401.9	6,422.7
Other Assets:
Goodwill	[1]	1,669.9	1,722.2
Intangible assets, less accumulated amortization of $448.7 and $441.3, respectively		560.9	583.6
Operating lease right-of-use assets		314.0	373.4
Other assets		561.8	610.2
Total other assets		3,106.6	3,289.4
Property and Equipment:
Land, buildings, leasehold improvements and equipment		568.0	594.9
Less: accumulated depreciation and amortization		458.0	478.1
Net property and equipment		110.0	116.8
Total assets		9,618.5	9,828.9
Current Liabilities:
Accounts payable		3,023.2	3,039.2
Employee compensation payable		229.9	299.4
Accrued liabilities		540.8	584.7
Accrued payroll taxes and insurance		704.8	789.1
Value added taxes payable		421.4	515.5
Short-term borrowings and current maturities of long-term debt		481.0	552.6
Total current liabilities		5,401.1	5,780.5
Other Liabilities:
Long-term debt		942.2	565.7
Long-term operating lease liability		222.2	275.8
Other long-term liabilities		608.2	675.2
Total other liabilities		1,772.6	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 118,009,931 and 117,762,065 shares, respectively		1.2	1.2
Capital in excess of par value		3,465.8	3,444.7
Retained earnings		3,777.2	3,634.6
Accumulated other comprehensive loss		(471.5)	(389.4)
Treasury stock at cost, 65,943,910 and 64,165,136 shares, respectively		(4,337.5)	(4,169.4)
Total ManpowerGroup shareholders’ equity		2,435.2	2,521.7
Noncontrolling interests		9.6	10.0
Total shareholders’ equity		2,444.8	2,531.7
Total liabilities and shareholders’ equity		$ 9,618.5	$ 9,828.9

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