ACQUISITIONS (Details) (O & P company, USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 19, 2014 company	Dec. 31, 2013 clinic company	Dec. 31, 2012 clinic company	Dec. 31, 2011 clinic company
O & P company
Acquisitions
Number of Businesses Acquired	7	9	18	8
Number of patient care clinics operated by acquiree		18	59	21
Aggregate purchase price of businesses	$ 29.0	$ 14.1	$ 83.1	$ 24.9
Purchase price for acquisition paid in cash		9.1	60.1	14.1
Promissory notes as a part of purchase price		2.7	21.4	6.7
Contingent consideration payable reported as other liabilities		2.3	1.6	4.1
Maximum term for payment of contingent consideration		2 years	5 years	4 years
Goodwill recorded related to acquisitions		7.3	63.8	17.2
Customer lists recorded, related to acquisitions		1.8	12.1
Accounts receivable recorded, related to acquisitions		3.1	6.0
Other assets and liabilities recorded, related to acquisitions		1.9	1.2
Transaction costs incurred on acquisition		0.9	1.2	0.8
Goodwill recorded, expected election to treat as asset acquisition		$ 5.2	$ 13.0	$ 14.0