Annual report pursuant to Section 13 and 15(d)

Investments in Marketable Securities (Details 1)

v2.4.0.6
Investments in Marketable Securities (Details 1)
In Thousands, unless otherwise specified
 12 Months Ended 12 Months Ended
Jan. 31, 2013
USD ($)
Jan. 31, 2012
USD ($)
Jan. 31, 2011
USD ($)
Sep. 01, 2012
USD ($)
Sep. 01, 2012
EUR (€)
Sep. 01, 2009
USD ($)
Sep. 01, 2009
EUR (€)
Jan. 31, 2013
Fair Value, Inputs, Level 3 [Member]
USD ($)
Jan. 31, 2012
Fair Value, Inputs, Level 3 [Member]
USD ($)
Jan. 31, 2013
Accrued Contingent Consideration [Member]
Fair Value, Inputs, Level 3 [Member]
USD ($)
Ending balance January 31, 2012 $ 12,255 [1]     $ 2,200 [1] € 1,700 [1] $ 1,000 [1] € 800 [1] $ 5,656 [1] $ 12,255 [1] $ 12,255
Additional contingent earnout                   2,222
Contingency payments                   (8,453)
Change in fair value 1,662 3,031 0             194
Translation adjustment                   (562)
Ending balance January 31, 2013 $ 5,656 [1] $ 12,255 [1]   $ 2,200 [1] € 1,700 [1] $ 1,000 [1] € 800 [1] $ 5,656 [1] $ 12,255 [1] $ 5,656
[1] The fair value of our contingent consideration arrangement is determined based on our evaluation as to the probability and amount of any earn-out that will be achieved based on expected future performance by the acquired entity, as well as the fair value of fixed purchase price.