Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

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 3 to the Consolidated Financial Statements in our 2019 Annual Report on Form 10-K for descriptions of revenue service types.

	3 Months Ended September 30,
	2020										2019
	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	$	478.2	$	33.0	$	21.3	$	46.3	$	578.8	$	564.5	$	38.5	$	25.2	$	38.2	$	666.4
Other Americas		332.0		10.9		4.0		3.4		350.3		404.6		13.6		6.7		3.2		428.1
		810.2		43.9		25.3		49.7		929.1		969.1		52.1		31.9		41.4		1,094.5
Southern Europe:
France		1,119.8		72.4		9.8		3.3		1,205.3		1,309.8		57.4		12.1		7.1		1,386.4
Italy		335.1		7.0		6.0		3.1		351.2		354.9		10.4		8.1		3.5		376.9
Other Southern Europe		456.8		87.0		8.7		3.4		555.9		494.1		82.2		15.4		2.8		594.5
		1,911.7		166.4		24.5		9.8		2,112.4		2,158.8		150.0		35.6		13.4		2,357.8
Northern Europe		845.7		63.2		22.2		16.6		947.7		1,037.2		79.6		33.5		16.5		1,166.8
APME		469.3		86.0		30.0		10.3		595.6		505.3		78.5		36.6		9.4		629.8
Total	$	4,036.9	$	359.5	$	102.0	$	86.4	$	4,584.8	$	4,670.4	$	360.2	$	137.6	$	80.7	$	5,248.9
	9 Months Ended September 30,
	2020										2019
	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	$	1,425.9	$	93.6	$	62.1	$	124.0	$	1,705.6	$	1,644.5	$	111.8	$	72.2	$	113.8	$	1,942.3
Other Americas		1,018.7		30.6		12.6		9.2		1,071.1		1,182.8		39.4		18.7		9.7		1,250.6
		2,444.6		124.2		74.7		133.2		2,776.7		2,827.3		151.2		90.9		123.5		3,192.9
Southern Europe:
France		2,781.5		213.0		29.7		10.9		3,035.1		3,880.0		174.5		40.2		23.1		4,117.8
Italy		897.2		20.7		19.0		10.5		947.4		1,050.1		32.1		28.7		16.8		1,127.7
Other Southern Europe		1,253.3		252.6		30.1		9.4		1,545.4		1,313.0		246.5		45.6	10.3			1,615.4
		4,932.0		486.3		78.8		30.8		5,527.9		6,243.1		453.1		114.5		50.2		6,860.9
Northern Europe		2,563.6		198.5		73.1		46.7		2,881.9		3,141.4		259.4		109.8		50.8		3,561.4
APME		1,386.5		250.9		95.1		27.1		1,759.6		1,670.7		224.6		130.4		26.0		2,051.7
Total	$	11,326.7	$	1,059.9	$	321.7	$	237.8	$	12,946.1	$	13,882.5	$	1,088.3	$	445.6	$	250.5	$	15,666.9

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

	3 Months Ended September 30,
	2020						2019
	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	$	567.6	$	11.2	$	578.8	$	652.8	$	13.6	$	666.4
Other Americas		347.6		2.7		350.3		423.5		4.6		428.1
		915.2		13.9		929.1		1,076.3		18.2		1,094.5
Southern Europe:
France		1,196.4		8.9		1,205.3		1,375.1		11.3		1,386.4
Italy		345.6		5.6		351.2		369.6		7.3		376.9
Other Southern Europe		548.6		7.3		555.9		581.7		12.8		594.5
		2,090.6		21.8		2,112.4		2,326.4		31.4		2,357.8
Northern Europe		928.3		19.4		947.7		1,137.6		29.2		1,166.8
APME		579.1		16.5		595.6		608.2		21.6		629.8
Total	$	4,513.2	$	71.6	$	4,584.8	$	5,148.5	$	100.4	$	5,248.9
	9 Months Ended September 30,
	2020						2019
	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	$	1,673.0	$	32.6	$	1,705.6	$	1,902.0	$	40.3	$	1,942.3
Other Americas		1,062.9		8.2		1,071.1		1,237.7		12.9		1,250.6
		2,735.9		40.8		2,776.7		3,139.7		53.2		3,192.9
Southern Europe:
France		3,008.0		27.1		3,035.1		4,080.1		37.7		4,117.8
Italy		929.7		17.7		947.4		1,101.2		26.5		1,127.7
Other Southern Europe		1,520.1		25.3		1,545.4		1,577.5		37.9		1,615.4
		5,457.8		70.1		5,527.9		6,758.8		102.1		6,860.9
Northern Europe		2,818.3		63.6		2,881.9		3,465.8		95.6		3,561.4
APME		1,707.9		51.7		1,759.6		1,968.4		83.3		2,051.7
Total	$	12,719.9	$	226.2	$	12,946.1	$	15,332.7	$	334.2	$	15,666.9