PROPERTY, PLANT AND EQUIPMENT (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, plant and equipment, net [Abstract]
Property, plant and equipment, Gross	$ 183.1	$ 186.5
Less accumulated depreciation and amortization	120.1	115.8
Property, plant and equipment, net	63.0	70.7
Included in property, plant and equipment are assets under capital leases [Abstract]
Property, plant and equipment, assets under capital leases Gross	17.4	17.2
Less: Accumulated amortization	9.4	7.8
Property, plant and equipment, assets under capital leases, net	8.0	9.4
Depreciation	16.6	15.9	12.9
Land and Buildings [Member]
Property, plant and equipment, net [Abstract]
Property, plant and equipment, Gross	19.4	27.7
Furniture and Fixtures, Office, Computer and Other Equipment and Software [Member]
Property, plant and equipment, net [Abstract]
Property, plant and equipment, Gross	133.1	131.6
Leasehold Improvements [Member]
Property, plant and equipment, net [Abstract]
Property, plant and equipment, Gross	$ 30.6	$ 27.2