BASIS OF PRESENTATION (Details) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Variable Interest Entity [Line Items]
Number of segments for financial reporting purposes (in number of segments)	2	2
Document Fiscal Year Focus		2013
Research and development | Assays and Related Products [Member]
Variable Interest Entity [Line Items]
Prior Period Reclassification Adjustment	$ 0.5	$ 1.2
Selling, General and Administrative Expenses [Member] | Assays and Related Products [Member]
Variable Interest Entity [Line Items]
Prior Period Reclassification Adjustment	$ 2.9	$ 5.9