RESTRUCTURING AND OTHER COSTS - RESTRUCTURING ACCURALS (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 41.1
Provisions	7.0
Amounts applied	(14.3)
Change in estimates	0.7
Ending Balance	33.1
Employee Severance
Restructuring Reserve [Roll Forward]
Beginning Balance	36.1
Provisions	5.5
Amounts applied	(12.3)
Change in estimates	(0.3)
Ending Balance	29.0
Employee Severance | Restructuring Fiscal 2014 And Prior Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	1.5
Provisions	0.0
Amounts applied	(0.8)
Change in estimates	(0.1)
Ending Balance	0.6
Employee Severance | Restructuring Fiscal 2015 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	34.6
Provisions	2.4
Amounts applied	(11.1)
Change in estimates	(0.2)
Ending Balance	25.7
Employee Severance | Restructuring Fiscal 2016 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	0.0
Provisions	3.1
Amounts applied	(0.4)
Change in estimates	0.0
Ending Balance	2.7
Lease/Contract Termination
Restructuring Reserve [Roll Forward]
Beginning Balance	4.1
Provisions	0.8
Amounts applied	(0.8)
Change in estimates	(0.3)
Ending Balance	3.8
Lease/Contract Termination | Restructuring Fiscal 2014 And Prior Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	0.7
Provisions	0.0
Amounts applied	(0.3)
Change in estimates	0.0
Ending Balance	0.4
Lease/Contract Termination | Restructuring Fiscal 2015 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	3.4
Provisions	0.8
Amounts applied	(0.5)
Change in estimates	(0.3)
Ending Balance	3.4
Lease/Contract Termination | Restructuring Fiscal 2016 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	0.0
Provisions	0.0
Amounts applied	0.0
Change in estimates	0.0
Ending Balance	0.0
Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	0.9
Provisions	0.7
Amounts applied	(1.2)
Change in estimates	(0.1)
Ending Balance	0.3
Other Restructuring Costs | Restructuring Fiscal 2014 And Prior Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	0.3
Provisions	0.0
Amounts applied	(0.3)
Change in estimates	0.0
Ending Balance	0.0
Other Restructuring Costs | Restructuring Fiscal 2015 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	0.6
Provisions	0.7
Amounts applied	(0.9)
Change in estimates	(0.1)
Ending Balance	0.3
Other Restructuring Costs | Restructuring Fiscal 2016 Plans
Restructuring Reserve [Roll Forward]
Beginning Balance	0.0
Provisions	0.0
Amounts applied	0.0
Change in estimates	0.0
Ending Balance	$ 0.0