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Restructuring Reserves (Details) $ in Millions | 12 Months Ended
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Jan. 31, 2016 USD ($) | Jan. 31, 2015 USD ($) | Jan. 31, 2014 USD ($) Facility Position | Jan. 31, 2013 USD ($) Facility Position
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Additions |  | $ 0.0 |  | $ 3.1 |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Total, beginning balance |  | 1.6 |  | 5.1 |  |  |  |
Current portion, beginning balance |  | 0.7 | [1] | 4.0 | [2] |  |  |
Non-current portion, beginning balance |  | 0.9 | [1] | 1.1 | [2] |  |  |
Additions |  | 0.0 |  | 3.1 |  |  |  |
Payments |  | (0.5) |  | (6.8) |  |  |  |
Adjustments |  | 0.2 | [3] | 0.2 | [4] |  |  |
Total, ending balance |  | 1.3 |  | 1.6 |  | $ 5.1 |  |
Current portion, ending balance |  | 0.8 | [1] | 0.7 | [1] | 4.0 | [2] |
Non-current portion, ending balance |  | 0.5 | [1] | 0.9 | [1] | 1.1 | [2] |
Total |  | 1.6 |  | 5.1 |  | 5.1 |  |
Fiscal 2013 Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring and related costs incurred to date |  |  |  |  |  |  |  | $ 46.2
Fiscal 2014 Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Additions |  |  |  |  |  | 15.0 |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Additions |  |  |  |  |  | $ 15.0 |  |
One-time Termination Benefits | Fiscal 2013 Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Number of positions eliminated | Position |  |  |  |  |  |  |  | 500
One-time Termination Benefits | Fiscal 2014 Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Number of positions eliminated | Position |  |  |  |  |  | 85 |  |
Facility Closing | Fiscal 2013 Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Number of facilities consolidated | Facility |  |  |  |  |  |  |  | 8
Facility Closing | Fiscal 2014 Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Number of facilities consolidated | Facility |  |  |  |  |  | 4 |  |
Employee Severance | Fiscal 2013 Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Additions |  |  |  | 0.0 |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Total, beginning balance |  | 0.0 |  | 0.1 |  |  |  |
Additions |  |  |  | 0.0 |  |  |  |
Payments |  |  |  | 0.0 |  |  |  |
Adjustments | [4] |  |  | (0.1) |  |  |  |
Total, ending balance |  |  |  | 0.0 |  | $ 0.1 |  |
Total |  | 0.0 |  | 0.1 |  | 0.1 |  |
Employee Severance | Fiscal 2014 Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Additions |  |  |  | 2.5 |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Total, beginning balance |  | 0.0 |  | 3.5 |  |  |  |
Additions |  |  |  | 2.5 |  |  |  |
Payments |  |  |  | (6.0) |  |  |  |
Adjustments | [4] |  |  | 0.0 |  |  |  |
Total, ending balance |  |  |  | 0.0 |  | 3.5 |  |
Total |  | 0.0 |  | 3.5 |  | 3.5 |  |
Lease Termination | Fiscal 2013 Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Additions |  | 0.0 |  | 0.3 |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Total, beginning balance |  | 0.2 |  | 0.2 |  |  |  |
Additions |  | 0.0 |  | 0.3 |  |  |  |
Payments |  | (0.1) |  | (0.3) |  |  |  |
Adjustments |  | 0.0 | [3] | 0.0 |  |  |  |
Total, ending balance |  | 0.1 |  | 0.2 |  | 0.2 |  |
Total |  | 0.2 |  | 0.2 |  | 0.2 |  |
Lease Termination | Fiscal 2014 Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Additions |  | 0.0 |  | 0.3 |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |
Total, beginning balance |  | 1.4 |  | 1.3 |  |  |  |
Additions |  | 0.0 |  | 0.3 |  |  |  |
Payments |  | (0.4) |  | (0.5) |  |  |  |
Adjustments |  | 0.2 | [3] | 0.3 | [4] |  |  |
Total, ending balance |  | 1.2 |  | 1.4 |  | 1.3 |  |
Total |  | $ 1.4 |  | $ 1.3 |  | $ 1.3 |  |
[1] | The current and non-current portions of the reserve are recorded in the Consolidated Balance Sheets under “Other accrued liabilities” and “Other liabilities,” respectively
[2] | The current and non-current portions of the reserve are recorded in the Consolidated Balance Sheets under “Other accrued liabilities” and “Other liabilities,” respectively.
[3] | Adjustments include the impact of foreign currency translation.
[4] | Adjustments include the impact of foreign currency translation.

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