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, 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	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	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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	0	6,386,000	0	6,386,000
Foreign currency translation adjustments	0	0	0	0	0	1,078,000	1,078,000
Stock award exercises	0	0	1,473,000	(2,023,000)	(160,000)	0	(710,000)
Stock award exercises (in shares)	2	0	91
Stock-based compensation income tax benefits (deficiencies)	0	0	0	52,000	0	0	52,000
Stock compensation expense	0	0	0	4,680,000	0	0	4,680,000
Dividends declared	0	0	0	0	(4,362,000)	0	(4,362,000)
Dividends paid in stock	0	0	172,000	0	(27,000)	0	145,000
Dividends paid in stock (in shares)	0	0	10
Restricted stock	0	0	1,914,000	(1,649,000)	(841,000)	0	(576,000)
Restricted stock (in shares)	0	0	118
Repurchase of common stock	0	0	(686,000)	0	0	0	(686,000)
Repurchase of common stock (in shares)	0	0	(52)
Balance at Jan. 31, 2014	$ 14,000	$ 4,000	$ (28,220,000)	$ 150,837,000	$ (51,472,000)	$ (6,958,000)	$ 64,205,000
Balance (in shares) at Jan. 31, 2014	14,150	3,537	(1,930)