Restructuring Costs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 France [Member]	Dec. 31, 2013 France [Member]	Mar. 31, 2014 Italy [Member]	Dec. 31, 2013 Italy [Member]	Mar. 31, 2014 United States [Member]	Dec. 31, 2013 United States [Member]	Mar. 31, 2014 Americas [Member]		Mar. 31, 2014 Southern Europe [Member]		Mar. 31, 2014 Northern Europe [Member]	Mar. 31, 2014 APME [Member]	Mar. 31, 2014 Right Management [Member]		Mar. 31, 2014 Corporate [Member]
Restructuring Costs [Abstract]
Net restructuring costs	$ 0	$ 34.8
Restructuring reserve [Roll Forward]
Beginning balance	48.4		3.2	3.5	0	0.9	4.4	5.1	6.8	[1]	4.5	[2]	22.2	1.8	12.3	[3]	0.8	[3]
Costs paid or utilized	(14.8)								(1.6)	[1]	(1.3)	[2]	(7.3)	(0.9)	(4.9)	[3]	1.2	[3]
Ending balance	33.6		3.2	3.5	0	0.9	4.4	5.1	5.2	[1]	3.2	[2]	14.9	0.9	7.4	[3]	2.0	[3]
Intercompany transfer of severance liability															$ (2.0)		$ 2.0

[1] Balances related to the United States were $5.1 and $4.4 as of January 1, 2014 and March 31, 2014, respectively

[2] Balances related to France were $3.5 and $3.2 as of January 1, 2014 and March 31, 2014, respectively. Balances related to Italy were $0.9 and none as of January 1, 2014 and March 31, 2014, respectively.

[3] “Costs paid or utilized” include an intercompany transfer of severance liability totaling $2.0 from Right Management to Corporate during the first quarter of 2014.