Income Taxes (Details 4) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011
Unrecognized tax benefits and the effect on effective income tax rate
Unrecognized Tax Benefits, Beginning Balance, Goss	$ 72.5
Unrecognized tax benefits, Beginning balance, net	64.7
Additions relating to the acquisition of Diversey, Gross	182.7
Additions relating to acquisition of Diversey, Net	182.7
Additions for tax positions of prior years, gross	2.7
Additions for tax positions of prior years, net	2.7
Reductions for tax positions of prior years, gross	(3.4)
Reductions for tax positions of prior years, net	(3.4)
Unrecognized Tax Benefits, Ending Balance, Gross	254.5
Unrecognized tax benefits, Ending balance, net	$ 246.7