Contingencies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Contingencies (Textual) [Abstract]
Estimated remediation cost	$ 0.1	$ 0.1
Future remediation cost	$ 0.7

Site contingency environmental remediation costs incurred.

No definition available.

Name:	hbpi_SiteContingencyEnvironmentalRemediationCostsIncurred
Namespace Prefix:	hbpi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration