Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents		$ 3,494	$ 850
Restricted cash		27,880	24,860
Accounts receivable, net		175,354	153,608
Income taxes refundable			966
Deferred income taxes, net			4,796
Other current assets		21,407	15,903
Current assets before funds held for clients		228,135	200,983
Funds held for clients		213,457	171,497
Total current assets		441,592	372,480
Non-current assets:
Property and equipment, net		19,450	20,162
Goodwill and other intangible assets, net		584,401	535,653
Assets of deferred compensation plan		69,912	64,245
Notes receivable		1,227	1,760
Other non-current assets		2,006	2,031
Total non-current assets		676,996	623,851
Total assets		1,118,588	996,331
Current liabilities:
Accounts payable		45,772	35,555
Income taxes payable		1,048
Accrued personnel costs		45,221	39,611
Notes payable		1,060
Contingent purchase price liability		16,322	12,855
Other current liabilities		16,169	11,714
Current liabilities before client fund obligations		125,592	99,735
Client fund obligations		213,855	171,318
Total current liabilities		339,447	271,053
Non-current liabilities:
Convertible notes, net			750
Bank debt	[1]	191,400	205,800
Debt issuance costs	[1]	(1,351)	(1,869)
Total long-term debt		190,049	204,681
Notes payable		1,721
Income taxes payable		4,426	4,084
Deferred income taxes, net	[1]	3,545	4,902
Deferred compensation plan obligations		69,912	64,245
Contingent purchase price liability		17,387	11,962
Other non-current liabilities		12,080	7,456
Total non-current liabilities		299,120	297,330
Total liabilities		638,567	568,383
STOCKHOLDERS’ EQUITY
Common stock, par value $0.01 per share; shares authorized 250,000; shares issued 128,191 and 126,182; shares outstanding 54,044 and 52,954		1,282	1,262
Additional paid-in capital		655,629	634,626
Retained earnings		294,925	254,860
Treasury stock, 74,147 and 73,228 shares		(471,311)	(462,167)
Accumulated other comprehensive loss		(504)	(633)
Total stockholders’ equity		480,021	427,948
Total liabilities and stockholders’ equity		$ 1,118,588	$ 996,331

[1] See Note 1, Organization and Summary of Significant Accounting Policies, to the accompanying consolidated financial statements for discussion of our adoption of ASU 2015-03, ASU 2015-15 and ASU 2015-17.