Consolidated Balance Sheet Detail (Details Textual) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
---|---|---|---|
Jan. 31, 2013
|
Jan. 31, 2012
|
Jan. 31, 2011
|
|
Depreciation, Depletion and Amortization | $ 4.7 | $ 5.4 | $ 6.2 |
X | ||||||||||
- Definition
The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|