Acquisition, Integration and Restructuring Expenses \| TS Related Restructuring Activity (Details) - TS - USD ($) $ in Thousands	9 Months Ended
Oct. 31, 2018	Jan. 31, 2018
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 8,316	$ 13,366
Restructuring Charges	13,238
Payments for Restructuring	17,277
Restructuring Reserve, Translation and Other Adjustment	(1,011)
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	2,416	1,630
Restructuring Charges	3,029
Payments for Restructuring	2,015
Restructuring Reserve, Translation and Other Adjustment	(228)
Restructuring Charges
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	10,732	$ 14,996
Restructuring Charges	16,267
Payments for Restructuring	19,292
Restructuring Reserve, Translation and Other Adjustment	$ (1,239)

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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