Note 8 - Segment Disclosures (Details) - Segment Revenue Per Service (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment Revenue from Services	$ 1,366.9	$ 1,366.1	$ 2,681.7	$ 2,720.9
Americas Commercial [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment Revenue from Services	648.8	668.6	1,287.1	1,337.9
Americas PT [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment Revenue from Services	259.6	262.4	510.6	512.5
Americas 1 [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment Revenue from Services	908.4	931.0	1,797.7	1,850.4
EMEA Commercial [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment Revenue from Services	219.8	213.7	420.8	426.7
EMEA PT [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment Revenue from Services	43.1	41.6	86.6	83.8
EMEA 1 [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment Revenue from Services	262.9	255.3	507.4	510.5
APAC Commercial [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment Revenue from Services	87.7	84.3	169.2	172.6
APAC PT [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment Revenue from Services	10.0	12.8	20.2	25.6
APAC [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment Revenue from Services	97.7	97.1	189.4	198.2
OCG [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Segment Revenue from Services	109.9	91.4	208.9	178.1
Intersegment Eliminations [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Less: Intersegment revenue	$ (12.0)	$ (8.7)	$ (21.7)	$ (16.3)