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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Noncontrolling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Jan. 31, 2009 | $ 299 | $ (186,057) | $ 142,486 | $ 282,332 |  | $ 24,573 | $ 263,633
Balance (in Shares) at Jan. 31, 2009 | 29,853 | 20,471 |  |  |  |  |
Net income |  |  |  | 8,652 |  | 3,900 | 12,552
Treasury stock acquired |  | (15,694) |  |  |  |  | (15,694)
Treasury stock acquired (in Shares) |  | 1,257 |  |  |  |  |
Stock based compensation |  |  | 234 |  |  |  | 234
Stock options and related tax effects |  | 15,344 | (1,022) |  |  |  | 14,322
Stock options and related tax effects (in Shares) |  | (1,683) |  |  |  |  |
Unrealized holding gains, net of tax |  |  |  |  | 49 |  | 49
Balance at Jan. 31, 2010 | 299 | (186,407) | 141,698 | 290,984 | 49 | 28,473 | 275,096
Balance (in Shares) at Jan. 31, 2010 | 29,853 | 20,045 |  |  |  |  |
Net income |  |  |  | 5,069 |  | 3,673 | 8,742
Treasury stock acquired |  | (8,229) |  |  |  |  | (8,229)
Treasury stock acquired (in Shares) |  | 515 |  |  |  |  |
Reclassification adjustment for net gains included in net income, net of tax |  |  |  |  | (49) |  | (49)
Deconsolidation of subsidiary |  |  |  |  |  | (7,114) | (7,114)
Stock options and related tax effects |  | 923 | 595 |  |  |  | 1,518
Stock options and related tax effects (in Shares) |  | (99) |  |  |  |  |
Balance at Jan. 31, 2011 | 299 | (193,713) | 142,293 | 296,053 |  | 25,032 | 269,964
Balance (in Shares) at Jan. 31, 2011 | 29,853 | 20,461 |  |  |  |  |
Net income |  |  |  | 28,270 |  | 5,428 | 33,698
Treasury stock acquired |  | (25,662) |  |  |  |  | (25,662)
Treasury stock acquired (in Shares) |  | 1,519 |  |  |  |  |
Acquisition of business |  |  |  |  |  | 956 | 956
Noncontrolling interests distribution and other |  |  |  |  |  | (2,084) | (2,084)
Stock options and related tax effects |  | 4,270 | 701 |  |  |  | 4,971
Stock options and related tax effects (in Shares) |  | (457) |  |  |  |  |
Balance at Jan. 31, 2012 | $ 299 | $ (215,105) | $ 142,994 | $ 324,323 |  | $ 29,332 | $ 281,843
Balance (in Shares) at Jan. 31, 2012 | 29,853 | 21,523 |  |  |  |  |

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