Goodwill (Tables)

6 Months Ended

Jul. 31, 2017

Goodwill [Abstract]

Schedule of Goodwill [Table Text Block]

The changes in the carrying amount of goodwill, by geographic segment, for the six months ended July 31, 2017, are as follows (in thousands):

	Americas		Europe		Asia-Pacific		Total
Balance as of January 31, 2017	$	19,559	$	179,462	$	—	$	199,021
Goodwill acquired during the year (1)	450,719		153,818		11,190		615,727
Foreign currency translation adjustment	2,266		35,658		1,095		39,019
Balance as of July 31, 2017	$	472,544	$	368,938	$	12,285	$	853,767

⁽¹⁾ Amounts based on preliminary purchase price allocation related to the acquisition of TS.