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CORPORATE HEADQUARTERS RELOCATION AND LEASE EXIT COSTS (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Sep. 30, 2012
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Restructuring Charges [Abstract]          
Relocation costs included in selling, general and administrative expenses $ 0.3   $ 0.5 $ 0.5 $ 1.6
Non-cash charge to SG&A expenses for lease exit costs   0.4      
Amortization of cease-use obligation $ 0.1     $ 0.1