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Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2017	Jan. 31, 2016
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 126,824	$ 124,983
Less: accumulated depreciation	(92,651)	(86,430)
Property, plant and equipment, net	34,173	38,553
Land and buildings
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	1,490	1,574
Furniture and equipment
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	59,163	58,617
Computer software
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	32,077	31,747
Leasehold improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	32,307	31,646
Design fees and tooling costs
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 1,787	$ 1,399

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
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-Section S99
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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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+ References

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