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INCOME TAXES (NARRATIVE) (DETAILS) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 2 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Feb. 20, 2011
Canada [Member]
Mar. 31, 2012
Canada [Member]
Jun. 30, 2013
United States [Member]
INCOME TAXES [ABSTRACT]              
Total deferred tax assets, net of valuation allowance $ 55.6   $ 55.6        
Valuation allowance on deferred tax assets 20.2   20.2        
Deferred tax assets, net of valuation allowance and deferred tax liabilities 52.4   52.4        
Effective income tax rate 23.30% (25.60%) 16.60% 2.50%      
Significant Change in Unrecognized Tax Benefits Is Reasonably Possible [LineItems]              
Tax Adjustments, Settlements, and Unusual Provisions           $ (8.6)  
Income Tax Examination [Line Items]              
Income Tax Years under Audit         2002 2001   2009