CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current Assets:
Cash	$ 23,869	$ 28,860
Accounts receivable, net of allowance of $6,682 and $4,404, respectively	354,808	277,146
Prepaid expenses and income taxes	12,686	13,308
Workerscompensationreceivable	13,238	13,370
Other current assets	9,607	2,310
Disposal Group, Including Discontinued Operation, Assets, Current	0	31,032
Total current assets	414,208	366,026
Property and equipment, net	53,196	44,311
Goodwill	874,906	512,060
Identifiable intangible assets, net	417,925	250,609
Other non-current assets	7,072	5,160
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	0	73,673
Total assets	1,767,307	1,251,839
Current liabilities:
Current portion of long-term debt	0	17,439
Accounts payable	9,132	7,925
Accrued payroll and contract professional pay	88,100	82,563
Workers' Compensation Liability, Current	15,020	15,564
Income taxes payable	673	340
Other current liabilities	47,425	20,729
Disposal Group, Including Discontinued Operation, Liabilities, Current	0	20,195
Total current liabilities	160,350	164,755
Long-term debt	755,508	394,418
Deferred income tax liabilities	61,539	48,075
Other long-term liabilities	5,116	7,937
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	0	2,246
Total liabilities	$ 982,513	$ 617,431
Commitments and contingencies (Note 8)
Stockholders’ equity:
Preferred stock, $0.01 par value, 1,000,000 shares authorized, no shares issued	$ 0	$ 0
Common stock, $0.01 par value, 75,000,000 shares authorized, 53,024,972 and 51,386,693 issued and outstanding, respectively	530	514
Paid-in capital	542,859	483,902
Retained earnings	249,567	154,562
Accumulated other comprehensive income (loss)	(8,162)	(4,570)
Total stockholders’ equity	784,794	634,408
Total liabilities and stockholders’ equity	$ 1,767,307	$ 1,251,839