|
Commitments and Contingencies - Future Minimum Lease Payments (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Jan. 31, 2014
|
Jan. 31, 2013
|
Jan. 31, 2012
|
|
| Future Minimum Lease Payments [Abstract] | |||
| 2015 | $ 53.1 | ||
| 2016 | 47.0 | ||
| 2017 | 39.5 | ||
| 2018 | 35.7 | ||
| 2019 | 26.1 | ||
| Thereafter | 38.5 | ||
| Future minimum lease payments required | 239.9 | ||
| Less: Sublease income | 2.9 | ||
| Future minimum lease payments required, net | 237.0 | ||
| Rent expense | $ 50.2 | $ 56.1 | $ 53.0 |