Commitments and Contingencies (Details) (USD $)	Jun. 30, 2014 property	Dec. 31, 2013
Other Commitments [Line Items]
Workers' Compensation and Medical Malpractice Receivable, Current	$ 20,604,000	$ 21,200,000
Self Insurance Reserve	12,100,000	11,600,000
Letters of Credit Outstanding, Amount	2,900,000	2,700,000
Contingent consideration maximum	16,000,000
Liability for Uncertain Tax Positions, Noncurrent	1,600,000	1,600,000
Other	23,617,000	27,926,000
Number of Leased Properties Owned by Related Parties	2
Discontinued Operations [Member]
Other Commitments [Line Items]
Workers' Compensation and Medical Malpractice Receivable, Current	$ 10,800,000	$ 11,100,000