Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets (Details 1)

v2.4.0.6
Goodwill and Intangible Assets (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Finite-lived intangible assets:    
Finite-lived intangible assets, Gross $ 48,511 $ 47,405
Accumulated Amortization (31,197) (25,173)
Finite-lived intangible assets, Net 17,314 22,232
Infinite-lived intangible assets:    
Infinite-lived intangible assets, Net 48,711 47,605
Accumulated Amortization (31,197) (25,173)
Intangible assets, net 17,514 22,432
Customer contracts [Member]
   
Finite-lived intangible assets:    
Weighted average remaining life (years) 6 years 1 month 6 days  
Finite-lived intangible assets, Gross 32,568 31,758
Accumulated Amortization (18,756) (15,726)
Finite-lived intangible assets, Net 13,812 16,032
Infinite-lived intangible assets:    
Accumulated Amortization (18,756) (15,726)
Non-compete Agreements [Member]
   
Finite-lived intangible assets:    
Weighted average remaining life (years) 8 months 12 days  
Finite-lived intangible assets, Gross 2,769 2,673
Accumulated Amortization (2,375) (1,869)
Finite-lived intangible assets, Net 394 804
Infinite-lived intangible assets:    
Accumulated Amortization (2,375) (1,869)
Completed Technology [Member]
   
Finite-lived intangible assets:    
Weighted average remaining life (years) 5 years 2 months 12 days  
Finite-lived intangible assets, Gross 11,448 11,259
Accumulated Amortization (8,437) (6,048)
Finite-lived intangible assets, Net 3,011 5,211
Infinite-lived intangible assets:    
Accumulated Amortization (8,437) (6,048)
Trademarks and Other [Member]
   
Finite-lived intangible assets:    
Weighted average remaining life (years) 9 months 18 days  
Finite-lived intangible assets, Gross 1,726 1,715
Accumulated Amortization (1,629) (1,530)
Finite-lived intangible assets, Net 97 185
Infinite-lived intangible assets:    
Accumulated Amortization (1,629) (1,530)
Trade Names [Member]
   
Infinite-lived intangible assets:    
Infinite-lived intangible assets, Net 200 200
Intangible assets, net $ 200 $ 200