Other liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Other Liabilities Disclosure [Abstract]

Other liabilities

Other liabilities consist of the following:

	As of December 31,
	2015		2016
Accrued employee cost	$	6,901	$	3,976
Deferred transition revenue		66,737		72,560
Retirement benefits		29,689		39,020
Derivative instruments		25,010		12,576
Amount received from GE under indemnification    arrangement, pending adjustment		3,549		3,159
Advance from customers		4,485		2,371
Earn-out consideration		5,924		15,550
Others		10,729		11,078
Capital lease obligations		2,204		2,500
	$	155,228	$	162,790