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Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Summary of discontinued operations
Net Sales	$ 19,195	$ 18,469
Cost of Sales	9,072	8,758
Gross Profit	10,123	9,711
Operating Expenses	6,205	6,122
Income from Discontinued Operations	3,918	3,589
Gain on Sale of Assets of Discontinued Operations	10,162
Income Tax Expense	5,351	1,198
Income from Discontinued Operations, net of taxes	$ 8,729	$ 2,391

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Gain loss on disposal of assets of discontinued operation.

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Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of gross profit attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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