XML 81 R65.htm IDEA: XBRL DOCUMENT v3.19.1
Business Combinations (Assets and Liabilities Assumed in Fiscal 2017) (Details) - USD ($)
$ in Thousands
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2017
Business Acquisition [Line Items]      
Cash and cash equivalents     $ 3,390
Other tangible assets     3,466
Accounts payable and other liabilities     (3,256)
Unearned revenue     (6,000)
Net assets acquired, excluding goodwill     43,639
Goodwill $ 1,379,125 $ 159,376 107,658
Total purchase consideration     151,297
Developed technology      
Business Acquisition [Line Items]      
Acquisition-related intangible assets, net     45,039
Customer relationships      
Business Acquisition [Line Items]      
Acquisition-related intangible assets, net     $ 1,000