BENEFIT PLANS (Net Amounts Recognized, or Funded Status of Pension and Other Postretirement Benefit Plans) (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Amounts recognized in the statements of financial position consist of:
Long-term liabilities	$ (173.0)	$ (72.4)
Pension Benefits
Amounts recognized in the statements of financial position consist of:
Noncurrent assets	0	0
Current liabilities	(4.0)	(3.9)
Long-term liabilities	(165.0)	(64.8)
Net amount recognized	(169.0)	(68.7)
Other Benefits
Amounts recognized in the statements of financial position consist of:
Noncurrent assets	4.2	5.1
Current liabilities	(0.2)	(0.2)
Long-term liabilities	(2.6)	(2.9)
Net amount recognized	$ 1.4	$ 2.0