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Retirement Benefit Plans (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Standard Product Warranty    
HBB provides a standard warranty to consumers for all of its products. The specific terms and conditions of those warranties vary depending upon the product brand. In general, if a product is returned under warranty, a refund is provided to the consumer by HBB's customer, the retailer. Generally, the retailer returns those products to HBB for a credit. The Company estimates the costs which may be incurred under its standard warranty programs and records a liability for such costs at the time product revenue is recognized.

 
U.S. Pension and Postretirement Health Care
        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost $ 17 $ 18 $ 35 $ 38
Interest cost 695 686 1,489 1,466
Expected return on plan assets (1,141) (1,087) (2,408) (2,303)
Amortization of actuarial loss 190 651 434 1,252
Amortization of prior service credit (17) (55) (36) (100)
Total (256) 213 (486) 353
Non-U.S. Pension
        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0 0 0 0
Interest cost 50 51 99 101
Expected return on plan assets (75) (71) (149) (143)
Amortization of actuarial loss 19 31 35 61
Total $ (6) $ 11 $ (15) $ 19