ACCUMULATED OTHER COMPREHENSIVE INCOME (Reclassifications Out Of Accumulated Other Comprehensive Income) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Amortization of pension and other postretirement plan items:
Total recognized in other comprehensive income	$ (74.2)		$ (23.9)	$ 59.0
Reclassification out of Accumulated Other Comprehensive Income [Member]
Amortization of pension and other postretirement plan items:
Prior service cost	(0.8)	[1],[2]
Recognized actuarial loss	(20.2)	[1],[2]
Total net periodic benefit cost, before tax	(21.0)	[1]
Total net periodic benefit cost, tax benefit	7.9	[1]
Total recognized in other comprehensive income	$ (13.1)	[1]

[1] Amounts in parentheses indicate expense recognized in the Consolidated Statements of Income.

[2] These accumulated other comprehensive income components are included in the computation of net periodic pension cost (See Note 11 Benefit Plans for additional details).