Description of Business and Summary of Significant Accounting Policies Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Feb. 28, 2017	Feb. 28, 2019	Feb. 28, 2018
Property, Plant and Equipment [Line Items]
Land		$ 10,110	$ 9,522
Buildings		49,301	51,375
Property under capital lease		1,907	1,578
Furniture, fixtures and displays		3,878	4,262
Machinery and equipment		8,618	10,373
Construction-in-progress		155	148
Capitalized Computer Software, Gross		37,591	37,408
Property, Plant and Equipment, Other, Gross		808	921
Leasehold improvements		2,682	2,713
Property, Plant and Equipment, Gross		115,050	118,300
Less accumulated depreciation and amortization		54,557	53,041
Depreciation	$ 5,907	5,360	5,658
Property, Plant and Equipment, Net		60,493	65,259
Capitalized Computer Software, Amortization	1,473	1,537	1,611
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation		979	669
Capital Leases, Income Statement, Amortization Expense	$ 153	$ 491	$ 372
Building and Building Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		20 years
Building and Building Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		40 years
Other Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		3 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		5 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		15 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		5 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		10 years
Computer Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		3 years
Computer Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life		5 years