INCOME TAXES (Details 2) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Unrecognized Tax Benefits	$ 40.3	$ 41.7	$ 37.9	$ 41.5
Increases for prior year tax positions	2.8	0.2
Decreases for prior year tax positions	(0.3)	0
Increases for current year tax positions	0.1	0
Settlements with taxing authorities	$ (0.2)	$ 0

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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