RESTRUCTURING, INTEGRATION AND OTHER COSTS (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended			12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 B&L	Dec. 31, 2013 B&L	Mar. 31, 2014 B&L Employee Termination Costs - Severance and Related Benefits	Dec. 31, 2013 B&L Employee Termination Costs - Severance and Related Benefits	Mar. 31, 2014 B&L Employee Termination Costs - Share-Based Compensation	Dec. 31, 2013 B&L Employee Termination Costs - Share-Based Compensation	Mar. 31, 2014 B&L IPR&D Termination Costs	Dec. 31, 2013 B&L IPR&D Termination Costs	Mar. 31, 2014 B&L Contract Termination, Facility Closure and Other Costs	Dec. 31, 2013 B&L Contract Termination, Facility Closure and Other Costs	Mar. 31, 2013 Medicis	Dec. 31, 2012 Medicis	Dec. 31, 2013 Medicis	Dec. 31, 2012 Medicis	Dec. 31, 2013 Medicis Employee Termination Costs - Severance and Related Benefits	Dec. 31, 2012 Medicis Employee Termination Costs - Severance and Related Benefits	Dec. 31, 2013 Medicis Employee Termination Costs - Share-Based Compensation	Dec. 31, 2012 Medicis Employee Termination Costs - Share-Based Compensation	Dec. 31, 2013 Medicis IPR&D Termination Costs	Dec. 31, 2012 Medicis IPR&D Termination Costs	Dec. 31, 2013 Medicis Contract Termination, Facility Closure and Other Costs	Dec. 31, 2012 Medicis Contract Termination, Facility Closure and Other Costs
Restructuring reserve
Balance at the beginning of the period			$ 100.3	$ 0	$ 89.3	$ 0	$ 0	$ 0	$ 0	$ 0	$ 11.0	$ 0	$ 11.6		$ 11.6	$ 0	$ 11.4	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0.2	$ 0
Costs incurred and/or charged to expense	133.6	49.0	29.1	234.1	22.5	155.7	0	52.8	0	0	6.6	25.6	15.8	77.3	23.5	163.0	20.0	85.3	0	77.3	0	0	3.5	0.4
Cash payments			(54.1)	(138.4)	(50.9)	(77.8)	0	(52.8)	0	0	(3.2)	(7.8)	(24.3)		(35.0)	(155.3)	(31.4)	(78.0)	0	(77.3)	0	0	(3.6)	0
Non-cash adjustments			(5.4)	4.6	(2.3)	11.4	0	0	0	0	(3.1)	(6.8)			0.2	3.9	0.3	4.1	0	0	0	0	(0.1)	(0.2)
Balance at the end of the period			$ 69.9	$ 100.3	$ 58.6	$ 89.3	$ 0	$ 0	$ 0	$ 0	$ 11.3	$ 11.0		$ 11.6	$ 0.3	$ 11.6	$ 0.3	$ 11.4	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0.2