CONTINGENCIES AND COMMITMENTS (Detail) - USD ($) $ in Millions		3 Months Ended
	Oct. 10, 2013	Mar. 31, 2016	Dec. 31, 2015
Loss Contingencies [Line Items]
Surety Bond Outstanding		$ 56.0
Damages sought		1,000.0
Failure to Meet Contractual Obligations [Member]
Loss Contingencies [Line Items]
Damages sought	$ 25.0
Standby Letters Of Credit [Member]
Loss Contingencies [Line Items]
Letters of credit, outstanding		36.0	$ 37.3
FinancialStandbyLetterOfCreditMember
Loss Contingencies [Line Items]
Letters of credit, outstanding		13.6	$ 14.7
Discontinued Operations, Held-for-sale [Member] | Standby Letters Of Credit [Member]
Loss Contingencies [Line Items]
Letters of credit, outstanding		2.4
Minimum [Member]
Loss Contingencies [Line Items]
Range of possible loss, maximum		0.0
Maximum [Member]
Loss Contingencies [Line Items]
Range of possible loss, maximum		$ 48.0