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Cost Savings Initiatives (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2017	Apr. 30, 2017	Jul. 31, 2017
Restructuring Cost And Reserve [Line Items]
Cost savings initiative			$ 6,419
Cost Savings Initiatives
Restructuring Cost And Reserve [Line Items]
Cost savings initiative	$ 100	$ 6,300	$ 6,419	[1]
[1] The United States and International locations of the Wholesale segment include a pre-tax charge of $3.8 million and $2.6 million, respectively.

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Cost savings initiative charges.

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