Restructuring Costs (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended								9 Months Ended									9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 France [Member]	Dec. 31, 2013 France [Member]	Sep. 30, 2014 Italy [Member]	Dec. 31, 2013 Italy [Member]	Sep. 30, 2014 United States [Member]	Dec. 31, 2013 United States [Member]	Sep. 30, 2014 Americas [Member]		Sep. 30, 2014 Southern Europe [Member]		Sep. 30, 2014 Northern Europe [Member]	Sep. 30, 2014 APME [Member]	Sep. 30, 2014 Right Management [Member]		Mar. 31, 2014 Right Management [Member]	Sep. 30, 2014 Corporate [Member]		Mar. 31, 2014 Corporate [Member]
Restructuring Costs [Abstract]
Net restructuring costs		$ 62.9
Restructuring reserve [Roll Forward]
Beginning balance	48.4		2.4	3.5	0	0.9	2.1	5.1	6.8	[1]	4.5	[2]	22.2	1.8	12.3	[3]		0.8	[3]
Costs paid or utilized	(30.8)								(4.5)	[1]	(2.1)	[2]	(14.5)	(1.2)	(8.9)	[3]		0.4	[3]
Ending balance	17.6		2.4	3.5	0	0.9	2.1	5.1	2.3	[1]	2.4	[2]	7.7	0.6	3.4	[3]		1.2	[3]
Intercompany transfer of severance liability																	$ (2.0)			$ 2.0

[1] Balances related to the United States were $5.1 and $2.1 as of January 1, 2014 and September 30, 2014, respectively.

[2] Balances related to France were $3.5 and $2.4 as of January 1, 2014 and September 30, 2014, respectively. Balances related to Italy were $0.9 and none as of January 1, 2014 and September 30, 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.