Acquisition, Integration and Restructuring Expenses \| TS Related Restructuring Activity (Details) - TS - USD ($) $ in Thousands	6 Months Ended
Jul. 31, 2018	Jan. 31, 2018
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 13,016	$ 13,366
Restructuring Charges	11,718
Payments for Restructuring	11,437
Restructuring Reserve, Translation and Other Adjustment	(631)
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	2,592	1,630
Restructuring Charges	2,931
Payments for Restructuring	1,833
Restructuring Reserve, Translation and Other Adjustment	(136)
Restructuring Charges
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	15,608	$ 14,996
Restructuring Charges	14,649
Payments for Restructuring	13,270
Restructuring Reserve, Translation and Other Adjustment	$ (767)

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases).

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