Revolving Credit Facilities (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
HBB [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 115.0
Assets held as collateral	230
Line of Credit Facility, Amount Outstanding	52.3
Line of Credit Facility, Remaining Borrowing Capacity	58.5
Line of Credit Facility, Current Borrowing Capacity	110.8
Debt Instrument, Interest Rate at Period End	2.08%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.375%
Dividend Payment Restrictions Schedule, Description	(i) $15.0 million from the closing date of the HBB Facility through December 31, 2012, so long as HBB has excess availability, as defined in the HBB Facility, of at least $30.0 million; (ii) the greater of $20.0 million or excess cash flow from the most recently ended fiscal year in each of the two twelve-month periods following the closing date of the HBB Facility, so long as HBB has excess availability under the HBB Facility of $25.0 million and maintains a minimum fixed charge coverage ratio of 1.0 to 1.0, as defined in the HBB Facility; and (iii) in such amounts as determined by HBB subsequent to the second anniversary of the closing date of the HBB Facility, so long as HBB has excess availability under the HBB Facility of $25.0 million.
Loan Processing Fee	1.2
KC [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	30.0
Assets held as collateral	85
Line of Credit Facility, Amount Outstanding	14.7
Line of Credit Facility, Remaining Borrowing Capacity	12.3
Line of Credit Facility, Current Borrowing Capacity	27.0
Debt Instrument, Interest Rate at Period End	2.95%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.375%
Dividend Payment Restrictions Schedule, Description	(i) $6.0 million in any twelve-month period, so long as KC has excess availability, as defined in the KC Facility, of at least $7.5 million after giving effect to such payment and maintaining a minimum fixed charge coverage ratio of 1.1 to 1.0, as defined in the KC Facility; (ii) $2.0 million in any twelve-month period, so long as KC has excess availability, as defined in the KC Facility, of at least $7.5 million after giving effect to such payment and (iii) in such amounts as determined by KC, so long as KC has excess availability under the KC Facility of $15.0 million after giving effect to such payment.
Loan Processing Fee	$ 0.2
Domestic base rate loans [Member] | HBB [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.00%
Domestic base rate loans [Member] | KC [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.00%
Base rate loans [Member] | HBB [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.00%
LIBOR base rate loans [Member] | HBB [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.50%
LIBOR base rate loans [Member] | KC [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.00%
Bankers Acceptance [Member] | HBB [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.50%