Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

In the following table, revenue is disaggregated by service types for each of our reportable segments. See Note 2 to the Consolidated Financial Statements in our 2021 Annual Report on Form 10-K for descriptions of revenue service types.

	Three Months Ended March 31,
	2022											2021
	Staffing and Interim		Outcome- Based Solutions and Consulting		Permanent Recruitment		Other		Total			Staffing and Interim		Outcome- Based Solutions and Consulting		Permanent Recruitment		Other		Total
Americas:
United States	$	739.9	$	57.1	$	54.2	$	38.2	$	889.4		$	510.1	$	28.8	$	28.5	$	41.4	$	608.8
Other Americas		336.9		12.0		11.2		1.7		361.8			374.9		9.9		6.1		3.2		394.1
		1,076.8		69.1		65.4		39.9		1,251.2			885.0		38.7		34.6		44.6		1,002.9
Southern Europe:
France		1,101.5		70.3		16.5		4.1		1,192.4			1,084.0		86.5		12.8		5.6		1,188.9
Italy		417.8		8.1		13.7		5.4		445.0			381.5		7.7		9.7		3.9		402.8
Other Southern Europe		443.5		94.1		15.8		3.1		556.5			460.8		92.6		11.7		3.5		568.6
		1,962.8		172.5		46.0		12.6		2,193.9			1,926.3		186.8		34.2		13.0		2,160.3
Northern Europe		977.1		55.0		45.3		17.1		1,094.5			1,018.8		64.8		29.5		20.7		1,133.8
APME		463.1		109.3		37.2		8.6		618.2			480.8		98.4		37.4		10.8		627.4
		4,479.8		405.9		193.9		78.2		5,157.8			4,310.9		388.7		135.7		89.1		4,924.4
Intercompany Eliminations										(14.5	)										—
Total									$	5,143.3										$	4,924.4

In the following table, revenue is disaggregated by timing of revenue recognition for each of our reportable segments:

	Three Months Ended March 31,
	2022							2021
	Services transferred over time		Services transferred at a point in time		Total			Services transferred over time		Services transferred at a point in time		Total
Americas:
United States	$	858.8	$	30.6	$	889.4		$	594.7	$	14.1	$	608.8
Other Americas		355.0		6.8		361.8			390.2		3.9		394.1
		1,213.8		37.4		1,251.2			984.9		18.0		1,002.9
Southern Europe:
France		1,177.0		15.4		1,192.4			1,176.9		12.0		1,188.9
Italy		432.4		12.6		445.0			393.5		9.3		402.8
Other Southern Europe		543.3		13.2		556.5			558.9		9.7		568.6
		2,152.7		41.2		2,193.9			2,129.3		31.0		2,160.3
Northern Europe		1,057.2		37.3		1,094.5			1,107.8		26.0		1,133.8
APME		597.1		21.1		618.2			607.9		19.5		627.4
		5,020.8		137.0		5,157.8			4,829.9		94.5		4,924.4
Intercompany Eliminations						(14.5	)						—
Total					$	5,143.3						$	4,924.4