XML 67 R53.htm IDEA: XBRL DOCUMENT v3.8.0.1
Components of Provision for Income Tax Expense or Benefit (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Jan. 31, 2016
Income Tax Disclosure [Abstract]      
Current, Federal $ 124,988 $ 103,951 $ 84,274
Current, State 10,772 15,130 21,391
Current, Foreign 9,014 5,699 6,215
Current income tax expense, total 144,774 124,780 111,880
Deferred, Federal 10,270 (5,765) 13,985
Deferred, State (1,914) 1,029 (1,218)
Deferred, Foreign (27) (65) 895
Deferred income tax expense (benefit), total 8,329 (4,801) 13,662
Income tax expense (benefit), total $ 153,103 $ 119,979 $ 125,542