COMMITMENTS AND CONTINGENCIES Rollforward of Environmental Liability and Related Assets (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Loss Contingency Accrual [Roll Forward]
Environmental liability - Beginning balance	$ (82.9)
Accruals added during the period for new matters, Liability	0.1
Net Cash Activity	(7.7)
Environmental liability - Ending balance	(79.1)
Liability [Member]
Loss Contingency Accrual [Roll Forward]
Environmental liability - Beginning balance	(94.6)
Accruals added during the period for new matters, Liability	0.1
Net Cash Activity	(7.8)
Environmental liability - Ending balance	(90.7)
Assets [Member]
Loss Contingency Accrual [Roll Forward]
Environmental liability - Beginning balance	11.7
Accruals added during the period for new matters, Liability
Net Cash Activity	0.1
Environmental liability - Ending balance	11.6
Continuing Operations [Member]
Environmental Liability And Related Assets [Line items]
Changes In Pre-Existing Environmental Accruals	2.8
Continuing Operations [Member] | Liability [Member]
Environmental Liability And Related Assets [Line items]
Changes In Pre-Existing Environmental Accruals	2.8
Continuing Operations [Member] | Assets [Member]
Environmental Liability And Related Assets [Line items]
Changes In Pre-Existing Environmental Accruals	0
Discontinued Operations [Member]
Environmental Liability And Related Assets [Line items]
Changes In Pre-Existing Environmental Accruals	0.9
Discontinued Operations [Member] | Liability [Member]
Environmental Liability And Related Assets [Line items]
Changes In Pre-Existing Environmental Accruals	0.9
Discontinued Operations [Member] | Assets [Member]
Environmental Liability And Related Assets [Line items]
Changes In Pre-Existing Environmental Accruals	$ 0