INCOME TAXES - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Tax Contingency [Line Items]
Tax Matters Agreement Receivable, Continuing Operations	$ 1.6		$ 1.6
Tax Matters Agreement Receivable, Discontinued Operations	13.2		13.2
Income tax expense	$ 11.4	$ 38.0	$ 53.0	$ 63.4
Effective income tax rate	10.60%	31.90%	16.10%	28.80%
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 17.7		$ 17.7
Continuing Operations [Member]
Income Tax Contingency [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions	18.0
Discontinued Operations [Member]
Income Tax Contingency [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions	20.9
Tax Benefit from Audit Adjustments [Member] | Continuing Operations [Member]
Income Tax Contingency [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions	8.0
Recognition of Previously Unrecognized Tax Position [Member] | Continuing Operations [Member]
Income Tax Contingency [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions	10.0
Recognition of Previously Unrecognized Tax Position [Member] | Discontinued Operations [Member]
Income Tax Contingency [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions	38.3
Tax Expense from Audit Adjustments [Member] | Discontinued Operations [Member]
Income Tax Contingency [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions	$ 17.4