Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net sales	$ 43,333	$ 43,525
Cutting, Sharpening and Measuring
Net sales	20,484	20,856
First Aid and Medical
Net sales	22,849	22,669
United States
Net sales	35,741	36,048
United States | Cutting, Sharpening and Measuring
Net sales	15,333	15,564
United States | First Aid and Medical
Net sales	20,408	20,484
Canada
Net sales	3,615	3,333
Canada | Cutting, Sharpening and Measuring
Net sales	1,593	1,549
Canada | First Aid and Medical
Net sales	2,022	1,784
Europe
Net sales	3,977	4,144
Europe | Cutting, Sharpening and Measuring
Net sales	3,558	3,743
Europe | First Aid and Medical
Net sales	$ 419	$ 401