Note 16 - Long-lived Assets by Geographic Area (Details) - USD ($) $ in Thousands |
Nov. 30, 2015 |
May. 31, 2015 |
| UNITED STATES |
|
|
|
| Long-lived assets (excluding goodwill and intangibles) by geography: |
|
|
|
| Non-current Assets |
|
$ 52,352
|
$ 52,764
|
| Concentration of net assets by geography: |
|
|
|
| Assets, net |
|
222,590
|
241,522
|
| Europe [Member] |
|
|
|
| Long-lived assets (excluding goodwill and intangibles) by geography: |
|
|
|
| Non-current Assets |
[1] |
13,891
|
14,542
|
| Concentration of net assets by geography: |
|
|
|
| Assets, net |
|
99,037
|
100,071
|
| CANADA |
|
|
|
| Long-lived assets (excluding goodwill and intangibles) by geography: |
|
|
|
| Non-current Assets |
|
3,613
|
4,029
|
| Concentration of net assets by geography: |
|
|
|
| Assets, net |
|
28,738
|
30,274
|
| Other Georgraphic Area [Member] |
|
|
|
| Long-lived assets (excluding goodwill and intangibles) by geography: |
|
|
|
| Non-current Assets |
[2] |
2,370
|
2,239
|
| Concentration of net assets by geography: |
|
|
|
| Assets, net |
|
11,746
|
11,814
|
| Non-current Assets |
|
72,226
|
73,574
|
| Assets, net |
|
$ 362,111
|
$ 383,681
|
|
|