Debt (Details) $ in Millions	3 Months Ended
	Apr. 30, 2017 USD ($) Rate
Debt [Line Items]
Debt	$ 13.1
Debt, net change	$ 1.3
UNITED STATES
Debt [Line Items]
Maturity date	Sep. 24, 2018
Line of Credit Facility, Maximum Borrowing Capacity	$ 15.0
Line of Credit Facility, Covenant Terms	require attainment of specific levels of profitability and cash flows
Line of Credit Facility, Covenant Compliance	in compliance
Line of Credit Facility, Interest Rate Description	(a) a margin in effect plus a base rate, if below certain availability limits; or (b) a margin in effect plus the Eurodollar rate for the corresponding interest period.
Prime interest rate | Rate	5.30%
Eurodollar interest rate | Rate	3.99%
Letters of Credit Outstanding, Amount	$ 0.2
North America [Member]
Debt [Line Items]
Revolving line, amount outstanding	5.8
Revolving line, remaining borrowing capacity	$ 4.2
CANADA
Debt [Line Items]
Eurodollar interest rate | Rate	3.95%
Foreign Line of Credit [Member]
Debt [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 24.6
Line of Credit Facility, Covenant Compliance	in compliance with the covenants under the credit arrangements.
Line of Credit Facility, Interest Rate Description	interest rates were 4.0% per annum below National Bank of Fujairah Base Rate, minimum 3.5% per annum, and Emirates Inter Bank Offered Rate (EIBOR) plus 3.5% per annum. On April 30, 2017, the Company's interest rates ranged from 3.5% to 6.0%
Revolving line, remaining borrowing capacity	$ 19.1
Letters of Credit Outstanding, Amount	$ 5.5