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Acquisition, Integration and Restructuring Expenses | TS Related Restructuring Activity (Details) - TS - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Jan. 31, 2018
Employee Severance [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring Charges   $ 15,453 $ 29,717
Payments for Restructuring $ (5,169) (22,622) (16,830)
Restructuring Reserve, Translation and Other Adjustment (76) (952) 479
Restructuring Reserve 0 5,245 13,366
Facility Closing [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring Charges   4,393 5,353
Payments for Restructuring (3,713) (2,008) (3,928)
Restructuring Reserve, Translation and Other Adjustment (101) (201) 205
Restructuring Reserve 0 3,814 1,630
Restructuring Charges [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring Charges   19,846 35,070
Payments for Restructuring (8,882) (24,630) (20,758)
Restructuring Reserve, Translation and Other Adjustment (177) (1,153) 684
Restructuring Reserve $ 0 $ 9,059 $ 14,996