ACQUISITIONS (Details) (USD $)				3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2014 O & P company company clinic
Acquisitions
Number of Businesses Acquired				7
Number of patient care clinics operated by acquiree				22
Aggregate purchase price of businesses				$ 28,900,000
Promissory notes as a part of purchase price				9,300,000
Contingent consideration payable reported as other liabilities				400,000
Maximum term for payment of contingent consideration				2 years
Purchase price for acquisition paid in cash				19,100,000
Accounts receivable				2,600,000
Inventory				1,800,000
Goodwill	702,455,000	681,547,000	674,774,000	20,900,000
Definite lived intangibles				4,500,000
Indefinite lived intangibles				1,500,000
Fixed assets and other assets				1,400,000
Accounts payable and other liabilities				$ 3,800,000