|
Goodwill and Intangible Assets (Details 1) (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
|
|
Apr. 30, 2013
|
Jan. 31, 2013
|
| Finite-lived intangible assets: |
|
|
| Finite-lived intangible assets, Gross |
$ 47,764 |
$ 48,511 |
| Accumulated Amortization |
(31,996) |
(31,197) |
| Finite-lived intangible assets, Net |
15,768 |
17,314 |
| Indefinite-lived intangible assets: |
|
|
| Indefinite-lived intangible assets |
200 |
200 |
| Indefinite-lived intangible assets, Net |
47,964 |
48,711 |
| Intangible assets, net |
15,968 |
17,514 |
|
Customer contracts [Member]
|
|
|
| Finite-lived intangible assets: |
|
|
| Weighted average remaining life (years) |
6 years 1 month 6 days |
|
| Finite-lived intangible assets, Gross |
32,132 |
32,568 |
| Accumulated Amortization |
(19,425) |
(18,756) |
| Finite-lived intangible assets, Net |
12,707 |
13,812 |
|
Non-compete Agreements [Member]
|
|
|
| Finite-lived intangible assets: |
|
|
| Weighted average remaining life (years) |
7 months 6 days |
|
| Finite-lived intangible assets, Gross |
2,701 |
2,769 |
| Accumulated Amortization |
(2,356) |
(2,375) |
| Finite-lived intangible assets, Net |
345 |
394 |
|
Completed Technology [Member]
|
|
|
| Finite-lived intangible assets: |
|
|
| Weighted average remaining life (years) |
5 years 2 months 12 days |
|
| Finite-lived intangible assets, Gross |
11,219 |
11,448 |
| Accumulated Amortization |
(8,581) |
(8,437) |
| Finite-lived intangible assets, Net |
2,638 |
3,011 |
|
Trademarks and Other [Member]
|
|
|
| Finite-lived intangible assets: |
|
|
| Weighted average remaining life (years) |
8 months 12 days |
|
| Finite-lived intangible assets, Gross |
1,712 |
1,726 |
| Accumulated Amortization |
(1,634) |
(1,629) |
| Finite-lived intangible assets, Net |
78 |
97 |
|
Trade Names [Member]
|
|
|
| Indefinite-lived intangible assets: |
|
|
| Indefinite-lived intangible assets |
$ 200 |
$ 200 |