Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details 1)

v2.4.0.6
Goodwill and Intangible Assets (Details 1) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jul. 31, 2012
Jul. 31, 2012
Jan. 31, 2012
Finite-lived intangible assets:      
Gross $ 46,437 $ 46,437 $ 47,405
Accumulated Amortization (27,418) (27,418) (25,173)
Net 19,019 19,019 22,232
Infinite-lived intangible assets:      
Gross 200 200 200
Gross 46,637 46,637 47,605
Intangible assets, net 19,219 19,219 22,432
Trade Names [Member]
      
Infinite-lived intangible assets:      
Intangible assets, net 200 200 200
Customer Contracts [Member]
      
Finite-lived intangible assets:      
Weighted average remaining life (years) 5 years 8 months 12 days 5 years 7 months 6 days  
Gross 31,357 31,357 31,758
Accumulated Amortization (17,199) (17,199) (15,726)
Net 14,158 14,158 16,032
Noncompete Agreements [Member]
      
Finite-lived intangible assets:      
Weighted average remaining life (years) 1 year 3 months 18 days 1 year  
Gross 2,581 2,581 2,673
Accumulated Amortization (2,019) (2,019) (1,869)
Net 562 562 804
Developed Technology Rights [Member]
      
Finite-lived intangible assets:      
Weighted average remaining life (years) 4 years 4 months 24 days 4 years 9 months 18 days  
Gross 10,811 10,811 11,259
Accumulated Amortization (6,626) (6,626) (6,048)
Net 4,185 4,185 5,211
Trademarks and Other [Member]
      
Finite-lived intangible assets:      
Weighted average remaining life (years) 1 year 3 months 18 days 1 year  
Gross 1,688 1,688 1,715
Accumulated Amortization (1,574) (1,574) (1,530)
Net $ 114 $ 114 $ 185