Annual report pursuant to Section 13 and 15(d)

INCOME TAXES INCOME TAXES (Unrecognized Tax Benefits) (Details)

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INCOME TAXES INCOME TAXES (Unrecognized Tax Benefits) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits [Roll Forward]      
Unrecognized tax benefits, beginning of year $ 102.1 $ 79.8 $ 75.2
Increases for tax positions in prior years 2.7 42.1 1.9
Increases for tax positions in current year 11.1 29.5 0
Increase due to foreign exchange 0 0 0.7
Settlements (60.4) (3.5) 0
Lapses in statutes of limitations 0 (45.8) 0
Other 0 0 2.0
Unrecognized tax benefits, end of year $ 55.5 $ 102.1 $ 79.8