Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 87,665	$ 213,155
Short-term investments	161,702	13,491
Restricted cash	1,913	3,846
Accounts receivable, net	133,862	113,067
Prepaid expenses	6,958	7,855
Advance income tax, net	8,821	6,242
Other current assets	22,333	21,168
Total current assets	423,254	378,824
Property, plant and equipment, net	63,729	49,029
Restricted cash	3,710	3,393
Deferred taxes, net	16,118	14,799
Intangible assets, net	43,568	53,770
Goodwill	187,953	186,770
Other assets	30,672	19,943
Total assets	769,004	706,528
Current liabilities:
Accounts payable	3,834	3,288
Short-term borrowings	0	10,000
Deferred revenue	8,662	16,615
Accrued employee cost	49,385	50,832
Accrued expenses and other current liabilities	49,040	43,264
Current portion of capital lease obligations	168	232
Total current liabilities	111,089	124,231
Long term borrowings	45,000	35,000
Capital lease obligations, less current portion	315	300
Non-current liabilities	16,234	14,819
Total liabilities	172,638	174,350
Commitments and contingencies (See Note 21)
Preferred stock, $0.001 par value; 15,000,000 shares authorized, none issued	0	0
Stockholders’ equity:
Common stock, $0.001 par value; 100,000,000 shares authorized, 36,525,692 shares issued and 33,804,962 shares outstanding as of September 30, 2017 and 35,699,819 shares issued and 33,628,109 shares outstanding as of December 31, 2016	37	36
Additional paid-in capital	311,691	284,646
Retained earnings	436,419	382,722
Accumulated other comprehensive loss	(59,290)	(75,057)
Total including shares held in treasury	688,857	592,347
Less: 2,720,730 shares as of September 30, 2017 and 2,071,710 shares as of December 31, 2016, held in treasury, at cost	(92,698)	(60,362)
Stockholders’ equity	596,159	531,985
Non-controlling interest	207	193
Total equity	596,366	532,178
Total liabilities and equity	$ 769,004	$ 706,528