Contingencies - Narrative (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended
	Apr. 30, 2014	Dec. 29, 2013
Judgement Against Jefferson Parish School Board and Kelly Services
Note 7 - Contingencies (Details) [Line Items]
Loss Contingency, Damages Awarded, Value		$ 4.4
Litigation Settlement, Amount	1.00
Judgement Against Jefferson Parish School Board and Kelly Services | Parent Company
Note 7 - Contingencies (Details) [Line Items]
Litigation Settlement, Amount	0.25
Judgement Against Jefferson Parish School Board and Kelly Services | Primary Insurer
Note 7 - Contingencies (Details) [Line Items]
Litigation Settlement, Amount	0.75
Kelly Services Share
Note 7 - Contingencies (Details) [Line Items]
Loss Contingency, Damages Awarded, Value		$ 2.7