XML 147 R132.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes - Reconciliation of Estimated Income Tax to Provision for Income Taxes (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2016
Major components of tax expense (income) [abstract]      
Profit before income taxes $ 101,867 $ 55,293 $ 81,060
Income tax expense at tax rates applicable to individual entities 32,702 21,765 28,067
Effect of:      
Items not deductible for tax 221 455 771
Exempt income (11,250) (7,706) (6,845)
Non tax deductible goodwill impairment   4,335  
(Gain)/Loss in respect of which deferred tax (liability)/asset not recognized due to uncertainty and ineligibility to carry forward 324 (105) 259
Recognition of unutilized tax benefits / Unrecognized losses utilized   (1,220) (294)
Temporary difference that will reverse during tax holiday period 22 1,580 30
Change in tax rate and law (5,685) 78 (152)
Provision for uncertain tax position   (1,499) 2
State taxes 317 14 12
Due to acquisitions and merger (1,686)    
One time tax on undistributed earnings 266    
Others, net 200 (167) (670)
Provision for income taxes $ 15,431 $ 17,530 $ 21,180