OBLIGATIONS UNDER CAPITAL LEASES (Details) (USD $) In Millions, unless otherwise specified			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Virginia Warehouse Facility [Member]	Dec. 31, 2012 Bristol, Pennsylvania Facility [Member]
OBLIGATIONS UNDER CAPITAL LEASES [Abstract]
Warehouses, office facilities and equipment	$ 23.4	$ 25.2
Less: current portion	2.1	1.9
Obligations under capital leases - noncurrent	21.3	23.3
Capital Leased Assets [Line Items]
Term of leased office facility (in years)				20 years
Maturity period of leased office facility			2023-03-00	2018-07-00
Minimum annual rent payments				1.2
Sale Leaseback Transaction, Annual Rental Payments			2.4
Capitalized amount of leased building	38.0	50.8	25.6	12.2
Sale Leaseback Transaction, Deferred Gain, Gross			7.5
Future minimum lease payment [Abstract]
2013	3.7
2014	3.7
2015	3.7
2016	3.7
2017	3.7
Later years	13.6
Total minimum lease payments	32.1
Less: amount representing interest	8.7
Present value of net minimum lease payments	$ 23.4