XML 60 R49.htm IDEA: XBRL DOCUMENT v3.3.1.900
Current and Deferred Income Tax Expense (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Deferred Income Tax Assets And Liabilities    
Income before income taxes $ 21,475 $ 26,913
Current tax expense 8,809 11,129
Deferred tax expense 608 230
Total tax expense $ 9,417 $ 11,359