FINANCIAL INSTRUMENTS - Effect of Company's Derivative Instruments on Net Loss and Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Interest rate products [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, (Loss) Gain Recognized in OCI, Effective Portion	$ (4.0)	$ (4.2)	$ (10.3)	$ (6.9)
Interest expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, (Loss) Gain Reclassified from Accumulated OCI into Income (Loss), Effective Portion	$ 0.4	$ 0	$ 0.2	$ (0.1)