Segment Data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Revenues from services	$ 4,904.0	[1]	$ 4,768.9	[1]
Operating Unit Profit (Loss)	161.3	[2]	87.2	[2]
Corporate expenses	(26.2)		(24.4)
Intangible asset amortization expense	(8.2)		(8.4)
Operating Profit	126.9		54.4
Interest and other expenses	(9.2)		(11.5)
Earnings before income taxes	117.7		42.9
Franchise fees	5.5		5.3
Franchise revenue	256.6		234.7
United States [Member]
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Franchise fees	3.4		3.2
Franchise revenue	169.1		155.1
Americas reportable segment [Member]
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Revenues from services	1,071.1		1,093.0
Operating Unit Profit (Loss)	26.0	[2]	16.1	[2]
Americas reportable segment [Member] | United States [Member]
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Revenues from services	720.5	[3]	706.1	[3]
Operating Unit Profit (Loss)	13.4	[2]	7.4	[2]
Americas reportable segment [Member] | Other Americas [Member]
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Revenues from services	350.6		386.9
Operating Unit Profit (Loss)	12.6	[2]	8.7	[2]
Southern Europe reportable segment [Member]
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Revenues from services	1,722.0		1,596.5
Operating Unit Profit (Loss)	68.4		43.7
Southern Europe reportable segment [Member] | France [Member]
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Revenues from services	1,217.3		1,145.2
Operating Unit Profit (Loss)	51.2	[2]	29.7	[2]
Southern Europe reportable segment [Member] | Italy [Member]
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Revenues from services	274.7		257.9
Operating Unit Profit (Loss)	12.6	[2]	11.7	[2]
Southern Europe reportable segment [Member] | Other Southern Europe [Member]
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Revenues from services	230.0		193.4
Operating Unit Profit (Loss)	4.6	[2]	2.3	[2]
Northern Europe reportable segment [Member]
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Revenues from services	1,463.9		1,370.3
Operating Unit Profit (Loss)	38.4	[2]	10.6	[2]
APME reportable segment [Member]
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Revenues from services	573.7		632.5
Operating Unit Profit (Loss)	20.2	[2]	14.8	[2]
Right Management reportable segment [Member]
Segment Reporting, Reconciling Item for Operating Profit from Segment to Consolidated [Line Items]
Revenues from services	73.3		76.6
Operating Unit Profit (Loss)	$ 8.3	[2]	$ 2.0	[2]

[1] Our consolidated revenues from services include fees received from our franchise offices of $5.5 and $5.3 for the three months ended March 31, 2014 and 2013, respectively. These fees are primarily based on revenues generated by the franchise offices, which were $256.6 and $234.7 for the three months ended March 31, 2014 and 2013, respectively.

[2] We evaluate segment performance based on operating unit profit (“OUP”), which is equal to segment revenues less cost of services and branch and national headquarters operating costs. This profit measure does not include goodwill and intangible asset impairment charges or amortization of intangibles related to acquisitions, interest and other income and expense amounts or income taxes.

[3] In the United States, where a majority of our franchises operate, revenues from services included fees received from the related franchise offices of $3.4 and $3.2 for the three months ended March 31, 2014 and 2013. These fees are primarily based on revenues generated by the franchise offices, which were $169.1 and $155.1 for the three months ended March 31, 2014 and 2013, respectively.