Restructuring Costs (Tables)
|9 Months Ended|
Oct. 31, 2020
|Restructuring Costs [Abstract]|
|Summary of Significant Components and Activity under the Restructuring Program [Table Text Block]||
The following table summarizes the significant components and activity under the restructuring program for the nine-month period ended October 31, 2020:
Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef