|
Interest And Other Income, net (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
|
Jan. 31, 2014
|
Jan. 31, 2013
|
Jan. 31, 2012
|
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| Interest and Other Income, net [Abstract] | ||||||||
| Interest and investment (expense) income, net | $ (9.8) | [1] | $ 4.9 | [1] | $ 5.4 | [1] | ||
| Gain (loss) on foreign currency | 4.0 | 1.2 | (1.1) | |||||
| (Loss) gain on strategic investments | (1.8) | [1] | (4.0) | [1] | 0.3 | [1] | ||
| Other income | 2.7 | 2.0 | 2.7 | |||||
| Interest and other (expense) income, net | $ (4.9) | $ 4.1 | $ 7.3 | |||||
|
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