Acquisitions (Tables)

9 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Schedule of reconciliation of preliminary allocation of fair value to identifiable net assets and goodwill acquired to the consideration given for the acquired business

The following table reconciles the preliminary allocation of estimated fair value to identifiable net assets and goodwill to the consideration given for the acquired business (in thousands):

Identifiable tangible assets	$	184,163
Identifiable intangible assets	140,406
Goodwill	533,124
Total assets	857,693
Total liabilities	104,693
Consideration given	$	753,000

Schedule of finite-lived intangible assets acquired as part of business combination

	Fair Value		Weighted Average Amortization Period
	(in thousands)		(in years)
Customer relationships	$	135,000	15.0 years
Trademarks	5,000		1.0 year
Favorable leasehold interests	406		2.9 years
Identifiable intangible assets	$	140,406

Schedule of pro forma unaudited results of operations

The following pro forma unaudited results of operations have been prepared assuming the acquisition of U.S. HealthWorks occurred on January 1, 2017. These results are not necessarily indicative of results of future operations nor of the results that would have occurred had the acquisition been consummated on the aforementioned date.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2018		2017		2018
	(in thousands, except per share amounts)
Net revenue	$	1,215,869	$	1,267,401	$	3,687,574	$	3,864,155
Net income	21,929		45,721		85,317		153,144
Net income attributable to the Company	17,011		34,441		69,237		116,135
Income per common share:
Basic	$	0.13	$	0.26	$	0.52	$	0.86
Diluted	$	0.13	$	0.26	$	0.52	$	0.86