Income Taxes (Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Allowance for doubtful accounts	$ 1,578	$ 1,150
Employee related accruals	6,663	3,419
State taxes	611	1,064
Workers’ compensation and medical malpractice loss reserves	4,767	4,683
Other	3,595	(169)
Current	17,214	10,147
Intangibles	(49,122)	(23,662)
Depreciation expense	(6,147)	(4,449)
Stock-based compensation	3,761	2,852
Net operating loss carryforwards	1,612	1,191
Other	1,822	1,975
Deferred Tax Liabilities, Gross, Noncurrent	(48,074)	(22,093)
Valuation allowance	(1,511)	(916)
Total deferred income tax assets (liabilities)	$ (32,371)	$ (12,862)