Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Expenses in the Special items
Impairment/loss on disposal of assets		$ 0.4	$ 0.4	$ 2.9
Consulting and professional fees	19.2	4.9	37.5	8.4
Employee severance and retention	1.0	3.6	4.4	19.8
Dedicated project personnel	3.3	0.6	6.6	0.9
Distributor acquisitions	0.3	0.5	0.4	1.1
Certain litigation matters	3.5		9.9	0.1
Contract terminations	1.1	1.7	2.6	2.7
Contingent consideration adjustments			(0.8)
Accelerated software amortization	1.5		1.5
Other	0.8	1.8	1.7	3.1
Special Items	$ 30.7	$ 13.5	$ 64.2	$ 39.0