COMMITMENTS AND CONTINGENT LIABILITIES (Details) CAD in Millions, $ in Millions	3 Months Ended				12 Months Ended
	Sep. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Sep. 30, 2011 USD ($)	Jun. 30, 2011 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 CAD	Jul. 27, 2016 USD ($)	Feb. 19, 2015 USD ($)	Aug. 24, 2012 Recipients $ / Violation
Loss Contingencies [Line Items]
Percent of lowest maximum (cap on payments)					80.00%
Payment reduction by Assembly Bill No. 97					10.00%
Other Inventory, Supplies, Gross					$ 171.7	$ 157.7
Loss related to litigation settlement				$ 34.5		34.5
Previously recorded litigation reserve in connection with false claims act lawsuit				$ 15.0		15.0
Payment of legal settlement	$ 49.5				12.2
AHS transfer to Canadian JV | CAD							CAD 50.0
Total acquisition consideration (cash and non-cash)						0.0		$ 249.1	$ 6,150.7
Number of recipients | Recipients										39
Proposed damages per violation | $ / Violation										0.0005
Letters of credit					54.5
Future minimum rental commitments [Abstract]
2013					189.5
2014					140.5
2015					96.0
2016					55.3
2017					85.0
Thereafter					115.3
Total minimum lease payments					681.6
Less: amounts included in restructuring and acquisition related accruals					(41.6)
Less: non-cancelable sub-lease income					(0.4)
Total minimum operating lease payments					639.6
Rental expense		$ 235.7			$ 291.2	$ 287.1
Litigation Settlement, Amount			$ 49.5