CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) Share data in Thousands, unless otherwise specified	Common Class A [Member]	Common Class B [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Balance at Jan. 31, 2010	$ 14,000	$ 4,000	$ (32,275,000)	$ 143,138,000	$ (52,480,000)	$ (8,850,000)	$ 49,551,000
Balance (in shares) at Jan. 31, 2010	14,146	3,536	(2,006)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			0	0	2,711,000	0	2,711,000
Foreign currency translation adjustments	0	0	0	0	0	533,000	533,000
Stock award exercises	0	0	1,097,000	(25,000)	(633,000)	0	439,000
Stock award exercises (in shares)	0	0	74
Stock-based compensation income tax benefits (deficiencies)	0	0	0	367,000	0	0	367,000
Stock compensation expense	0	0	0	5,303,000	0	0	5,303,000
Dividends declared	0	0	0	0	(3,296,000)	0	(3,296,000)
Dividends paid in stock	0	0	1,457,000	0	(511,000)	0	946,000
Dividends paid in stock (in shares)	0	0	98
Restricted stock	0	0	1,651,000	(1,885,000)	(229,000)	0	(463,000)
Restricted stock (in shares)	0	1	112
Balance at Jan. 31, 2011	14,000	4,000	(28,070,000)	146,898,000	(54,438,000)	(8,317,000)	56,091,000
Balance (in shares) at Jan. 31, 2011	14,146	3,537	(1,722)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			0	0	10,784,000	0	10,784,000
Foreign currency translation adjustments	0	0	0	0	0	(1,737,000)	(1,737,000)
Stock award exercises	0	0	487,000	(436,000)	(156,000)	0	(105,000)
Stock award exercises (in shares)	0	0	33
Stock-based compensation income tax benefits (deficiencies)	0	0	0	(7,000)	0	0	(7,000)
Stock compensation expense	0	0	0	4,507,000	0	0	4,507,000
Dividends declared	0	0	0	0	(4,095,000)	0	(4,095,000)
Dividends paid in stock	0	0	2,132,000	0	(619,000)	0	1,513,000
Dividends paid in stock (in shares)	0	0	141
Restricted stock	0	0	1,802,000	(1,969,000)	(450,000)	0	(617,000)
Restricted stock (in shares)	0	0	120
Repurchase of common stock	0	0	(4,319,000)	0	0	0	(4,319,000)
Repurchase of common stock (in shares)	0	0	(376)
Balance at Jan. 31, 2012	14,000	4,000	(27,968,000)	148,993,000	(48,974,000)	(10,054,000)	62,015,000
Balance (in shares) at Jan. 31, 2012	14,146	3,537	(1,804)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			0	0	6,639,000	0	6,639,000
Foreign currency translation adjustments	0	0	0	0	0	2,018,000	2,018,000
Stock award exercises	0	0	985,000	(1,322,000)	(138,000)	0	(475,000)
Stock award exercises (in shares)	1	0	63
Stock-based compensation income tax benefits (deficiencies)	0	0	0	(312,000)	0	0	(312,000)
Stock compensation expense	0	0	0	4,608,000	0	0	4,608,000
Dividends declared	0	0	0	0	(8,677,000)	0	(8,677,000)
Dividends paid in stock	0	0	799,000	0	(177,000)	0	622,000
Dividends paid in stock (in shares)	0	0	50
Restricted stock	0	0	2,621,000	(2,190,000)	(1,141,000)	0	(710,000)
Restricted stock (in shares)	1	0	166
Repurchase of common stock	0	0	(7,530,000)	0	0	0	(7,530,000)
Repurchase of common stock (in shares)	0	0	(572)
Balance at Jan. 31, 2013	$ 14,000	$ 4,000	$ (31,093,000)	$ 149,777,000	$ (52,468,000)	$ (8,036,000)	$ 58,198,000
Balance (in shares) at Jan. 31, 2013	14,148	3,537	(2,097)