XML 101 R85.htm IDEA: XBRL DOCUMENT v3.19.1
Other Income (Expense), Net (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2017
Other Income and Expenses [Abstract]      
Interest income $ 42,461 $ 25,252 $ 11,303
Interest expense (60,209) (44,549) (30,103)
Other 57,280 7,734 (13,627)
Other income (expense), net $ 39,532 $ (11,563) $ (32,427)