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) |