RESTRUCTURING, INTEGRATION AND OTHER COSTS (Details 2) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring reserve
Costs incurred and charged to expense	$ 361.9	$ 381.7	$ 462.0
Non-cash adjustments			0.0
Salix
Restructuring reserve
Balance at the beginning of the period	0.0
Costs incurred and charged to expense	91.5
Cash payments	(58.1)
Non-cash adjustments	2.2
Balance at the end of the period	35.6	0.0
B&L
Restructuring reserve
Balance at the beginning of the period	23.3	100.3	0.0
Costs incurred and charged to expense	5.1	69.7	234.1
Cash payments	(20.7)	(135.6)	(138.4)
Non-cash adjustments	(2.5)	(11.1)	4.6
Balance at the end of the period	5.2	23.3	100.3
Employee Termination Costs - Severance and Related Benefits | Salix
Restructuring reserve
Balance at the beginning of the period	0.0
Costs incurred and charged to expense	90.6
Cash payments	(57.8)
Non-cash adjustments	2.2
Balance at the end of the period	35.0	0.0
Employee Termination Costs - Severance and Related Benefits | B&L
Restructuring reserve
Balance at the beginning of the period	18.9	89.3	0.0
Costs incurred and charged to expense	2.9	46.0	155.7
Cash payments	(17.9)	(110.7)	(77.8)
Non-cash adjustments	(1.6)	(5.7)	11.4
Balance at the end of the period	2.3	18.9	89.3
Share Based Compensation Restructuring | B&L
Restructuring reserve
Balance at the beginning of the period	0.0	0.0	0.0
Costs incurred and charged to expense	0.0	0.0	52.8
Cash payments	0.0	0.0	(52.8)
Non-cash adjustments	0.0	0.0
Balance at the end of the period	0.0	0.0	0.0
Contract Termination Facility Closure and Other Costs | Salix
Restructuring reserve
Balance at the beginning of the period	0.0
Costs incurred and charged to expense	0.9
Cash payments	(0.3)
Non-cash adjustments	0.0
Balance at the end of the period	0.6	0.0
Contract Termination Facility Closure and Other Costs | B&L
Restructuring reserve
Balance at the beginning of the period	4.4	11.0	0.0
Costs incurred and charged to expense	2.2	23.7	25.6
Cash payments	(2.8)	(24.9)	(7.8)
Non-cash adjustments	(0.9)	(5.4)	(6.8)
Balance at the end of the period	$ 2.9	$ 4.4	$ 11.0